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HUAWEI NetEngine40E Router V600R003C00 Hardware Description Issue 02 Date 2011-09-10 HUAWEI TECHNOLOGIES CO., LTD.

NE40E X3&NE40E X8&NE40E X16 Hardware Description(V600R003C00_02)

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  • HUAWEI NetEngine40E RouterV600R003C00

    Hardware Description

    Issue 02Date 2011-09-10

    HUAWEI TECHNOLOGIES CO., LTD.

  • Copyright Huawei Technologies Co., Ltd. 2011. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior writtenconsent of Huawei Technologies Co., Ltd. Trademarks and Permissions

    and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.All other trademarks and trade names mentioned in this document are the property of their respective holders. NoticeThe purchased products, services and features are stipulated by the contract made between Huawei and thecustomer. All or part of the products, services and features described in this document may not be within thepurchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided "AS IS" without warranties, guarantees or representationsof any kind, either express or implied.

    The information in this document is subject to change without notice. Every effort has been made in thepreparation of this document to ensure accuracy of the contents, but all statements, information, andrecommendations in this document do not constitute the warranty of any kind, express or implied. Huawei Technologies Co., Ltd.Address: Huawei Industrial Base

    Bantian, LonggangShenzhen 518129People's Republic of China

    Website: http://www.huawei.comEmail: [email protected]

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  • About This Document

    PurposeThis document describes the contents, related version, intended audience, conventions, andupdate history of the HUAWEI NetEngine40E Universal Service Router Hardware Description.

    Intended AudienceThe intended audience of this document are:l Commissioning Engineersl Data Configuration Engineersl Network Monitoring Engineersl System Maintenance Engineers

    Symbol ConventionsThe symbols used in this document are described in the following table. They are defined asfollows.

    Symbol DescriptionIndicates a hazard with a high level of risk, which ifnot avoided, will result in death or serious injury.

    Indicates a hazard with a medium or low level ofrisk, which if not avoided, could result in minor ormoderate injury.

    Indicates a potentially hazardous situation, which ifnot avoided, could result in equipment damage, dataloss, performance degradation, or unexpectedresults.Indicates a tip that may help you solve a problem orsave time.

    HUAWEI NetEngine40E RouterHardware Description About This Document

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  • Symbol DescriptionProvides additional information to emphasize orsupplement important points of the main text.

    Update HistoryUpdates between document issues are cumulative. Therefore, the latest document issue containsall updates made in previous issues.

    Changes in Issue 02 (2011-09-10)Second commercial release.

    Updates in Issue 01 (2011-05-30)Initial commercial release.

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  • Contents

    About This Document.....................................................................................................................ii1 Product Overview..........................................................................................................................1

    1.1 Overview............................................................................................................................................................22 NE40E-X16 Chassis Overview.....................................................................................................3

    2.1 Overview............................................................................................................................................................42.1.1 System Overview.......................................................................................................................................42.1.2 System Architecture..................................................................................................................................52.1.3 System Features.........................................................................................................................................52.1.4 System Configuration................................................................................................................................62.1.5 NE40E-X16 Hardware Description...........................................................................................................6

    2.2 Power Supply System.........................................................................................................................................92.2.1 Architecture of the Power Supply System.................................................................................................92.2.2 Distributed Architecture of the System...................................................................................................102.2.3 DC Power Supply System.......................................................................................................................102.2.4 AC Power Supply System.......................................................................................................................13

    2.3 Heat Dissipation System...................................................................................................................................152.3.1 System Air Channel.................................................................................................................................152.3.2 Air Intake Vent........................................................................................................................................162.3.3 Fan Module..............................................................................................................................................162.3.4 Air Filter..................................................................................................................................................172.3.5 Fan Speed Adjustment.............................................................................................................................182.3.6 FFU..........................................................................................................................................................19

    2.4 Switching Network...........................................................................................................................................202.4.1 Introduction to the Switching Network...................................................................................................202.4.2 Switch Fabric Unit B(SFUI-200-B)........................................................................................................212.4.3 CR5DSFUI407B......................................................................................................................................23

    2.5 Control Plane....................................................................................................................................................242.5.1 Introduction to the Control Plane............................................................................................................242.5.2 CR5D0MPUB460....................................................................................................................................252.5.3 CMU........................................................................................................................................................30

    2.6 Physical Specifications.....................................................................................................................................332.6.1 Chassis Specifications.............................................................................................................................33

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  • 2.6.2 Board Specifications................................................................................................................................343 NE40E-X8 Chassis Overview.....................................................................................................40

    3.1 Overview..........................................................................................................................................................413.1.1 System Overview.....................................................................................................................................413.1.2 System Architecture................................................................................................................................413.1.3 System Features.......................................................................................................................................423.1.4 System Configuration..............................................................................................................................433.1.5 NE40E-X8 Hardware Description...........................................................................................................43

    3.2 Power Supply System.......................................................................................................................................453.2.1 Architecture of the Power Supply System...............................................................................................453.2.2 Distributed Architecture of the System...................................................................................................453.2.3 DC Power Supply System.......................................................................................................................463.2.4 AC Power Supply System.......................................................................................................................48

    3.3 Heat Dissipation System...................................................................................................................................513.3.1 System Air Channel.................................................................................................................................513.3.2 Air Intake Vent........................................................................................................................................513.3.3 Fan Module..............................................................................................................................................513.3.4 Air Filter..................................................................................................................................................523.3.5 Fan Speed Adjustment.............................................................................................................................533.3.6 FFU..........................................................................................................................................................53

    3.4 Switching Network...........................................................................................................................................553.4.1 Introduction to the Switching Network...................................................................................................553.4.2 Switch Fabric Unit C(SFUI-200-C)........................................................................................................563.4.3 CR5DSFUI407C......................................................................................................................................57

    3.5 Control Plane....................................................................................................................................................593.5.1 Introduction to the Control Plane............................................................................................................593.5.2 CR5D0SRUA570....................................................................................................................................603.5.3 CR5D0SRUA470....................................................................................................................................653.5.4 CMU........................................................................................................................................................70

    3.6 Physical Specifications.....................................................................................................................................723.6.1 Chassis Specification...............................................................................................................................733.6.2 Board Specifications................................................................................................................................74

    4 NE40E-X3 Chassis Overview.....................................................................................................794.1 Overview..........................................................................................................................................................80

    4.1.1 System Overview.....................................................................................................................................804.1.2 System Features.......................................................................................................................................814.1.3 System Configuration .............................................................................................................................814.1.4 NE40E-X3 Hardware Description...........................................................................................................82

    4.2 Power Supply System.......................................................................................................................................844.2.1 Architecture of the Power Supply System...............................................................................................844.2.2 Diagram of the Power Supply System.....................................................................................................844.2.3 DC Power Supply System.......................................................................................................................84

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  • 4.2.4 AC Power Supply System.......................................................................................................................864.3 Heat Dissipation System...................................................................................................................................87

    4.3.1 System Air Channel.................................................................................................................................884.3.2 Air Intake Vent........................................................................................................................................894.3.3 Fan Module..............................................................................................................................................894.3.4 Air Filter..................................................................................................................................................904.3.5 Fan Speed Adjustment.............................................................................................................................91

    4.4 Control Plane....................................................................................................................................................914.4.1 Introduction to the Control Plane............................................................................................................914.4.2 CR52-MPUD...........................................................................................................................................92

    4.5 Physical Specifications.....................................................................................................................................964.5.1 Chassis Specifications.............................................................................................................................964.5.2 Board Specifications................................................................................................................................97

    5 NE40E-8 Chassis Overview......................................................................................................1025.1 Overview........................................................................................................................................................103

    5.1.1 Device Structure....................................................................................................................................1035.1.2 System Configuration............................................................................................................................105

    5.2 Power Supply..................................................................................................................................................1065.2.1 DC Power Supply Module.....................................................................................................................1075.2.2 AC Power Supply Module.....................................................................................................................110

    5.3 Heat Dissipation System.................................................................................................................................1125.3.1 Appearance of the Fan Module.............................................................................................................1135.3.2 Front Panel.............................................................................................................................................1145.3.3 Air Filter................................................................................................................................................1155.3.4 Functions of the FCB.............................................................................................................................1155.3.5 Technical Parameters.............................................................................................................................115

    5.4 SFU.................................................................................................................................................................1165.4.1 Overview...............................................................................................................................................1165.4.2 Features and Functions..........................................................................................................................1175.4.3 Panel......................................................................................................................................................1175.4.4 Technical Specifications........................................................................................................................118

    5.5 SRU................................................................................................................................................................1185.5.1 Overview...............................................................................................................................................1185.5.2 Features and Functions..........................................................................................................................1195.5.3 Panel......................................................................................................................................................1205.5.4 Interface Attributes................................................................................................................................1245.5.5 Technical Specifications........................................................................................................................125

    5.6 Physical Specifications...................................................................................................................................1275.6.1 Chassis Specifications...........................................................................................................................1275.6.2 Board Specifications..............................................................................................................................128

    6 Boards..........................................................................................................................................1316.1 Service Process Unit.......................................................................................................................................132

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  • 6.1.1 Versatile Service Process Unit C...........................................................................................................1326.1.2 Flexible Card Versatile Service Unit 10(VSUF-10)..............................................................................1376.1.3 Integrated Versatile Service Unit 20 A(VSUI-20-A)............................................................................139

    6.2 Flexible Card Line Processing Unit(LPUF-100,four slots)............................................................................1416.2.1 5-Port 10GBase LAN/WAN-XFP Flexible Card A(Supporting1588v2) .............................................1436.2.2 24-Port 100/1000Base-SFP Flexible Card(P100,Occupy two sub-slots)..............................................1476.2.3 48-Port 100/1000Base-CSFP Flexible Card..........................................................................................150

    6.3 Integrated Line Processing Unit(LPUI-100)..................................................................................................1536.3.1 10-Port 10GBase LAN/WAN-XFP Integrated Line Processing Unit (LPUI-100,Supporting 1588v2)........................................................................................................................................................................1546.3.2 16-Port 10GBase LAN-SFP+ Integrated Line Processing Unit(LPUI-100).........................................158

    6.4 Flexible Card Line Processing Unit(LPUF-40,2 sub-slots)............................................................................1626.4.1 20-Port 100/1000Base-X-SFP Flexible Card........................................................................................1646.4.2 20-Port 100/1000Base-X-SFP Flexible Card A(Supporting 1588v2)...................................................1686.4.3 20-Port 100/1000Base-X-SFP Flexible Card B.....................................................................................1716.4.4 2-Port 10GBase LAN/WAN-XFP Flexible Card..................................................................................1746.4.5 2-Port 10GBase LAN/WAN-XFP Flexible Card A(Supporting 1588v2).............................................1766.4.6 2-Port 10GBase LAN/WAN-XFP Flexible Card B..............................................................................1796.4.7 20-Port 10/100/1000Base-RJ45 Flexible Card......................................................................................1826.4.8 4-Port 10GBase LAN/WAN-XFP Flexible Card .................................................................................184

    6.5 Integrated Line Processing Unit (LPUI-40)..................................................................................................1886.5.1 4-Port 10GBase LAN/WAN-XFP Integrated Line Processing Unit (LPUI-40)...................................1886.5.2 40-Port 100/1000Base-X-SFP Integrated Line Processing Unit(LPUI-40)..........................................191

    6.6 Integrated Line Processing Unit (LPUI-41)...................................................................................................1956.6.1 8-Port 10GBase LAN/WAN-XFP Integrated Line Processing Unit (LPUI-41)...................................1956.6.2 4-Port 10GBase LAN/WAN-XFP Integrated Line Processing Unit (LPUI-41)...................................2006.6.3 48-Port 100/1000Base-X-SFP Integrated Line Processing Unit(LPUI-41)..........................................2046.6.4 2-Port 10GBase LAN/WAN-XFP+24-Port 100/1000Base-X-SFP Integrated Line Processing Unit(LPUI-41).......................................................................................................................................................2086.6.5 4-Port 10GBase LAN/WAN-XFP Integrated Line Processing Unit (LPUI-41,Supporting 1588v2)........................................................................................................................................................................2146.6.6 40-Port 100/1000Base-X-SFP Integrated Line Processing Unit(LPUI-41,Supporting 1588v2)..........2186.6.7 2-Port 10GBase LAN/WAN-XFP+20-Port 100/1000Base-X-SFP Integrated Line Processing Unit(LPUI-41,Supporting 1588v2)........................................................................................................................223

    6.7 Line Processing Unit S(LPUS-41).................................................................................................................2286.7.1 8-Port 10GBase LAN/WAN-XFP Line Processing Unit S (LPUS-41)................................................2296.7.2 4-Port 10GBase LAN/WAN-XFP Line Processing Unit S(LPUS-41).................................................2336.7.3 48-Port 100/1000Base-X-SFP Line Processing Unit S(LPUS-41).......................................................237

    6.8 Line Processing Unit S(LPUS-20).................................................................................................................2426.8.1 4-Port 10GBase WAN/LAN-XFP Line Processing Unit S(LPUS-20).................................................2426.8.2 40-Port 100/1000Base-SFP Line Processing Unit S(LPUS-20)............................................................2456.8.3 40-Port 10/100/1000Base-RJ45 Line Processing Unit S.......................................................................249

    6.9 Flexible Card Line Processing Unit(LPUF-21,2 sub-slots)............................................................................251

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  • 6.9.1 1-Port 10GBase WAN/LAN-XFP Flexible Card..................................................................................2546.9.2 1-Port 10GBase WAN/LAN-XFP Flexible Card A(Supporting 1588v2).............................................2586.9.3 1-Port 10GBase LAN/WAN-XFP Flexible Card B..............................................................................2626.9.4 1-Port 10GBase LAN/WAN-XFP FPIC E............................................................................................2666.9.5 12-Port 100/1000Base-SFP Flexible Card............................................................................................2696.9.6 12-Port 100/1000Base-SFP Flexible Card A(Supporting 1588v2).......................................................2746.9.7 12-Port 100/1000Base-X-SFP Flexible Card B.....................................................................................2776.9.8 10-Port 1000Base-X-SFP Flexible Card E............................................................................................2816.9.9 12-Port 10/100/1000Base-RJ45 Flexible Card......................................................................................2846.9.10 1-Port OC-192c/STM-64c POS-XFP Flexible Card...........................................................................2876.9.11 4-Port 10GBase WAN/LAN-XFP Line Processing Unit S(LPUS-20)...............................................2906.9.12 40-Port 10/100/1000Base-RJ45 Flexible Card....................................................................................2946.9.13 40-Port 100/1000Base-SFP Flexible Card..........................................................................................2966.9.14 2-Port 10GBase LAN/WAN-XFP+20-Port 100/1000Base-X-SFP Flexible Card..............................300

    6.10 Flexible Card Line Processing Unit(LPUF-10,four slots)............................................................................3046.10.1 1-Port OC-192c/STM-64c POS-XFP Flexible Card...........................................................................3066.10.2 1-Port OC-48c/STM-16c POS-SFP Flexible Card..............................................................................3096.10.3 2-Port OC-48c/STM-16c POS-SFP Flexible Card..............................................................................3126.10.4 4-Port OC-48c/STM-16c POS-SFP Flexible Card..............................................................................3166.10.5 4-Port OC-12c/STM-4c POS-SFP Flexible Card................................................................................3196.10.6 8-Port OC-12c/STM-4c POS-SFP Flexible Card................................................................................3236.10.7 4-Port OC-3c/STM-1c POS-SFP Flexible Card..................................................................................3266.10.8 8-Port OC-3c/STM-1c POS-SFP Flexible Card..................................................................................3306.10.9 2-Port OC-12c/STM-4c ATM-SFP Flexible Card..............................................................................3336.10.10 4-Port OC-3c/STM-1c ATM-SFP Flexible Card..............................................................................3376.10.11 8-Port 100/1000Base-X-SFP Flexible Card .....................................................................................3406.10.12 8-Port 100/1000Base-X-SFP Flexible Card A(Supporting 1588v2).................................................3446.10.13 2-Port Channelized OC-3c/STM-1c POS-SFP Flexible Card...........................................................3486.10.14 24-Port Channelized E1/T1-DB100 Flexible Card...........................................................................3516.10.15 4-Port Clear Channel E3/Channelized T3-SMB Flexible Card.........................................................354

    7 Cables...........................................................................................................................................3577.1 DC-Input Power Cable...................................................................................................................................358

    7.1.1 NE40E-X16 DC-Input Power Cable.....................................................................................................3587.1.2 NE40E-X8 DC-Input Power Cable.......................................................................................................3597.1.3 NE40E-X3 DC-Input Power Cable.......................................................................................................3617.1.4 NE40E-8 DC-Input Power Cable..........................................................................................................362

    7.2 AC-input Power Cable....................................................................................................................................3637.2.1 NE40E-X16 AC-input Power Cable......................................................................................................3637.2.2 NE40E-X8 AC-input Power Cable........................................................................................................3647.2.3 NE40E-X3 AC-input Power Cable........................................................................................................3657.2.4 NE40E-8 AC-input Power Cable..........................................................................................................365

    7.3 Chassis and Cabinet Grounding Cable...........................................................................................................365

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  • 7.3.1 Introduction...........................................................................................................................................3667.3.2 Structure.................................................................................................................................................3667.3.3 Technical Specifications........................................................................................................................366

    7.4 Console Port Cable.........................................................................................................................................3667.4.1 Introduction...........................................................................................................................................3667.4.2 Structure.................................................................................................................................................3667.4.3 Technical Specifications........................................................................................................................367

    7.5 Auxiliary Port Cable.......................................................................................................................................3687.5.1 Introduction...........................................................................................................................................3687.5.2 Structure.................................................................................................................................................3687.5.3 Technical Specifications........................................................................................................................369

    7.6 Clock Cable....................................................................................................................................................3707.6.1 Introduction...........................................................................................................................................3707.6.2 Structure.................................................................................................................................................3707.6.3 Technical Specifications........................................................................................................................372

    7.7 Ethernet Cable................................................................................................................................................3747.7.1 Introduction...........................................................................................................................................3747.7.2 Structure.................................................................................................................................................3757.7.3 Technical Specifications........................................................................................................................376

    7.8 Optical Fiber...................................................................................................................................................3777.8.1 Introduction...........................................................................................................................................3777.8.2 Optical Connectors................................................................................................................................3787.8.3 Technical Specifications........................................................................................................................379

    7.9 CE1/CT1/E3/T3 Cable...................................................................................................................................3807.9.1 Introduction...........................................................................................................................................3807.9.2 Structure.................................................................................................................................................3807.9.3 Technical Specifications........................................................................................................................381

    A List of Indicators.......................................................................................................................383A.1 Indicators of NE40E-X16..............................................................................................................................384

    A.1.1 Fan Module Indicators..........................................................................................................................384A.1.2 Power Module Indicators......................................................................................................................384A.1.3 MPU Indicators.....................................................................................................................................384A.1.4 SFU Indicators......................................................................................................................................385A.1.5 LPU Indicators......................................................................................................................................386

    A.2 Indicators of NE40E-X8................................................................................................................................386A.2.1 Fan Module Indicators..........................................................................................................................386A.2.2 Power Module Indicators......................................................................................................................387A.2.3 SRU Indicators......................................................................................................................................387A.2.4 SFU Indicators......................................................................................................................................388A.2.5 LPU Indicators......................................................................................................................................389

    A.3 Indicators of NE40E-X3................................................................................................................................389A.3.1 Fan Module Indicators..........................................................................................................................389

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  • A.3.2 Power Module Indicators......................................................................................................................390A.3.3 MPU Indicators.....................................................................................................................................391A.3.4 LPU Indicators......................................................................................................................................392

    A.4 Indicators of NE40E-8...................................................................................................................................392A.4.1 Fan Module Indicators..........................................................................................................................392A.4.2 Power Module Indicators......................................................................................................................393A.4.3 SRU Indicators......................................................................................................................................393A.4.4 SFU Indicators......................................................................................................................................394A.4.5 LPU Indicators......................................................................................................................................394

    B List of Boards.............................................................................................................................396B.1 Boards............................................................................................................................................................397B.2 Power Consumption and Weight...................................................................................................................401

    C List of Interface Attributes......................................................................................................407C.1 Interface Attributes of 10Base-T/100Base-TX/1000Base-T-RJ45................................................................408C.2 Interface Attributes of 100Base-FX...............................................................................................................408C.3 Interface Attributes of 1000Base-X-SFP.......................................................................................................409C.4 Interface Attributes of 100/1000Base-CSFP.................................................................................................410C.5 Interface Attributes of 10GBase LAN/WAN-XFP........................................................................................411C.6 Interface Attributes of 10GBase LAN-SFP+.................................................................................................412C.7 Interface Attributes of OC-3c/STM-1c cPOS-SFP........................................................................................413C.8 Interface Attributes of OC-3c/STM-1c POS-SFP..........................................................................................414C.9 Interface Attributes of OC-12c/STM-4c POS-SFP........................................................................................415C.10 Interface Attributes of OC-48c/STM-16c POS-SFP....................................................................................416C.11 Interface Attributes of OC-192c/STM-64c POS-XFP.................................................................................417C.12 Interface Attributes of OC-3c/STM-1c ATM-SFP......................................................................................418C.13 Interface Attributes of OC-12c/STM-4c ATM-SFP....................................................................................419C.14 Interface Attributes of CE1/CT1..................................................................................................................420C.15 Interface Attributes of E3/T3.......................................................................................................................420

    D Optical Module.........................................................................................................................422D.1 155 Mbit/s SFP/eSFP Optical Module..........................................................................................................423D.2 622 Mbit/s eSFP Optical Module..................................................................................................................433D.3 1 Gbit/s Electrical Transceiver......................................................................................................................439D.4 1.25 Gbit/s GBIC Optical Module.................................................................................................................441D.5 1.25 Gbit/s SFP/eSFP Optical Module..........................................................................................................448D.6 2.5 Gbit/s SFP/eSFP Optical Module............................................................................................................461D.7 10 Gbit/s XFP Optical Module......................................................................................................................467D.8 10-Gbit/s SFP+ Optical Module....................................................................................................................473D.9 155-Mbit/s CSFP Optical Module.................................................................................................................478D.10 1.25Gbit/s CSFP Optical Module................................................................................................................481

    E Glossary......................................................................................................................................484

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  • F Acronyms and Abbreviations.................................................................................................486

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  • 1 Product OverviewAbout This Chapter

    This chapter provides the positioning of the HUAWEI NetEngine40E Universal Service Routerin the network.

    1.1 Overview

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  • 1.1 OverviewThe HUAWEI NetEngine40E Universal Service Router (hereinafter referred to as theNE40E) is a high-end Router with 10-Gbit/s interfaces designed for core and backbone networks.The NE40E is positioned as the edge or convergence router on the IP backbone network.Based on the powerful Versatile Routing Platform (VRP), the NE40E features the following:l Rich servicesl Large capacityl High performancel High availability

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  • 2 NE40E-X16 Chassis OverviewAbout This Chapter

    2.1 OverviewThis section gives an overview of the NE40E-X16 hardware.2.2 Power Supply SystemThis chapter describes the power supply system used by the NE40E.2.3 Heat Dissipation SystemThis section describes the appearance, functions, and specifications of the heat dissipationsystem.2.4 Switching NetworkThis section describes the functions of the SFU.2.5 Control PlaneThis chapter describes the control plane of the NE40E-X16.2.6 Physical SpecificationsThis section describes the specifications of the chassis and boards.

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  • 2.1 OverviewThis section gives an overview of the NE40E-X16 hardware.

    2.1.1 System OverviewThis section gives an overview of the system.The NE40E series adopt a centralized routing engine and distributed forwarding architecture.This helps to provide rich and flexible service and to perform large-capacity forwarding.The NE40E-X16 has an integrated chassis, with main components which all support hotswapping.The NE40E-X16 supports all the Line Processing Units (LPUs) on the former NE40E, but theMain Processing Units (MPUs) and Switch and Fabric Units (SFUs) are new.As shown in Figure 2-1, the NE40E-X16 has 16 LPU slots.The switching capacity of the entiresystem is 12.58 Tbit/s.

    Figure 2-1 Appearance of the NE40E-X16

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  • 2.1.2 System ArchitectureThis section describes the system architecture.The NE40E-X16 adopts a system architecture shown in Figure 2-2. In this architecture, the dataplane, management and control plane, and monitoring plane are separated. This design helps toimprove system reliability and facilitates upgrading of each plane separately.

    Figure 2-2 Diagram of the system architecture

    Switchingnetwork

    control unit

    LPU LPU

    LPU LPUSFU

    SRU

    MonitoringunitMonitoringunit

    Systemmonitoring unit

    Systemmonitoring unit

    Managementunit

    Managementunit

    ForwardingunitForwardingunit

    Switchingnetwork

    Monitoringplane

    Control andmanagement

    plane

    Dataplane

    MonitoringunitMonitoringunit

    Managementunit

    Forwardingunit

    Forwardingunit

    Managementunit

    2.1.3 System FeaturesThis section describes the main features.The NE40E-X16 provides the following system features:l Unblocked switching network that can be upgraded, with switching capacity at the Tbit/s

    levell Distributed hardware-based forwarding and fast service deploymentl Compact structure to increase interface densityl Normalized design of system componentsl Separation of the control channel, service channel, and monitoring channel to ensure non-

    blacking control channels and monitoring channelsl Carrier-class high reliability and manageability

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  • l Shielding at the modular level to meet Electro Magnetic Compatibility (EMC) requirementsl Hot-swappable boards, power modules, and fansl U-shaped air channels to improve system heat dissipationl Distributed power supply to enhance power supply capability for a single chassisl 200-mm ( 7.87 in. )fans with a filtering box, and support for NEBS and ETSIl MPUs in 1:1 backup model SFUs in load balancing model Backup for key components such as power modules, fan modules, clocks, and management

    busesl Protection against incorrect of boardsl Queries about alarm prompts, alarm indications, running status, and alarm status of the

    voltage and ambient temperature

    2.1.4 System ConfigurationThis section describes the system configuration and physical parameters of the NE40E-X16.

    Table 2-1 System configuration list of the NE40E-X16Item Description RemarksProcessing unit Main frequency: 1.5 GHz -BootROM 8 MB -SDRAM 2 GB Can be extended to 4 GB.NVRAM 4 MB -Flash 32 MB -CF card 2 GB Two 1 GB CF cards.Switching capacity 12.58 Tbit/s

    (bidirectional)-

    Interface capacity 3.2 Tbit/s (bidirectional) -Number of LPU slots 16 -Number of MPU slots 2 -Number of SFU slots 4 -

    2.1.5 NE40E-X16 Hardware DescriptionThis section describes the main components and slot layout of the NE40E-X16.

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  • Components of the NE40E-X16The NE40E-X16 has an integrated chassis, with main components which all support hotswapping.Figure 2-3 and Figure 2-4 show the architecture and main components of the NE40E-X16.

    Figure 2-3 Appearance and main components of the NE40E-X16 (front view)

    1. Air intake vent 2. ESD jack 3. Cabling trough 4. Handle 5. Air intake vent6. Rack-mounting ear

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  • Figure 2-4 Appearance and main components of the NE40E-X16 (rear view)

    1. Fan module 2. Filtering box 3.DC power module 4. AC power management interface 5.CMU

    Slot Layout on the NE40E-X16Figure 2-5 shows the slot layout on the NE40E-X16.

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  • Figure 2-5 Slot layout on the NE40E-X161 2 3 4 5 6 7

    129 10 11 13 14 15 16

    19202122

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    MPU

    MPU

    SFUSFUSFUSFU

    17 18

    8

    Table 2-2 describes the slot layout on the NE40E-X16.

    Table 2-2 Board distribution in the board cage of the NE40E-X16SlotNumber

    Quantity

    Slot Width Remarks

    1 to 16 16 41 mm (1.6 inches) These slots are used to hold LPUs.17 to 18 2 41 mm (1.6 inches) These slots hold MPUs that work in 1:1

    backup mode.19 to 22 4 41 mm (1.6 inches) These slots are used to hold SFUs that work

    in 3+1 load balancing mode.

    2.2 Power Supply SystemThis chapter describes the power supply system used by the NE40E.

    2.2.1 Architecture of the Power Supply SystemThis section describes the features of the power supply system.The NE40E-X16 supports either DC or AC power supply.

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  • In the case of a DC power supply system, eight 70 A Power Entry Modules (PEMs) are insertedat the rear of the chassis, working in 4+4 load balancing mode.In the case of an AC power supply system, two AC power frames are placed outside the chassisand installed with rectifier modules based on system power. The AC power frames are thenconnected to the input terminals on the DC-PEMs to supply power for the system. (In short,external AC power frames are added to the DC power supply system to constitute an AC powersupply system.)

    2.2.2 Distributed Architecture of the SystemThis section describes partitioned power supply on the NE40E-X16.As shown in Figure 2-6, the NE40E-X16 backplane is divided into four areas, with each areahaving two power inputs. These eight power inputs work in backup mode.

    Figure 2-6 Schematic diagram of the power supply for the NE40E-X16

    1 2 3 4 5 6 7

    129 10 11 13 14 15 16

    19202122

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    LPU

    MPU

    MPU

    SFUSFUSFUSFU

    17 18FAN FAN

    8

    FAN FAN

    2.2.3 DC Power Supply SystemThis section describes the appearance, functions, and technical parameters of the DC powersupply module.Figure 2-7 appearance of the PEM on theNE40E-X16.

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  • Figure 2-7 Appearance of the NE40E-X16's PEM

    The LED indicators on the PEM of the NE40E-X16 are described in Table 2-3.

    Table 2-3 Description of the indicators of the PEMIndicator Color DescriptionRUN Green Indicates normal power output. If the indicator is steady on,

    it implies the normal output.ALM Red Power failure indicator. If the indicator is steady on, it

    indicates the following:l The lightning protection link of the power module failed.l The power modules does not have input power.

    If the NE40E-X16 has a DC power supply system, eight 70 A PEMs work in 4+4 backup mode.Figure 2-8 shows details of the DC power supply system.Two -48V power inputs are joined on the board.After the low-frequency filtering, the two -48 V power inputs for fans are joined inside the fanmodule.

    NOTE

    In Figure 2-8, each DC power input contains one -48 V power input and one RTN input. Two separated RTNinput are joined on the board.

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  • Figure 2-8 Architecture of the NE40E-X16 DC power supply system

    LPU

    LPULPULPULPULPULPU MPUMPU

    SFU

    SFUSFUSFU

    LPU

    LPULPU

    LPULPU

    LPU

    LPU LPU LPU

    LPU

    area 1 area 2

    area 3area 4

    area 2

    area 1

    area 3

    area 4

    PEMA1

    PEMB4PEMA4

    PEMA2

    PEMA3

    PEMB2

    PEMB1

    PEMB3

    DC a1DC b1

    DC b4DC a4

    DC a3

    DC a2

    DC b3

    DC b2

    backplane FFU FFU

    FAN FAN

    FFUFFUFAN FAN

    Table 2-4 lists the technical parameters of the DC power supply module.

    Table 2-4 Technical parameters of the DC PEMItem Technical ParameterDimensions(Width x Depth x Height) 58mm x 115mm x 220mm ( 2.28 in. x 4.53

    in. x 8.66 in. )Weight About 1.1 kg ( 2.43 lb )Input voltage range -38 V DC to -72 V DCInput rated voltage -48V/-60VMaximum input current 70 AOutput voltage -38 V DC to -72 V DCOutput current 70 A

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  • Item Technical ParameterRated current of the air-break 70 A

    2.2.4 AC Power Supply SystemThis section describes the appearance, functions, and the technical parameters of the AC powersupply module.Figure 2-9 and Figure 2-10 show the appearance of the AC rectifier module.

    Figure 2-9 Front view of the AC rectifier module

    Figure 2-10 Rear view of the AC rectifier module

    Figure 2-11 diagrams the AC power supply system of the NE40E-X16. The input AC power isconverted into regulated DC power by an AC/DC converter. The resulting DC power output isconnected to the PEMs through external cables to supply power for all boards and fan modules.Two -48V power inputs are joined on the board.After the low-frequency filtering, the two -48 V power inputs for fans are joined inside the fanmodule.

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  • In Figure 2-11, each DC power input contains one -48 V power input and one RTN input. Twoseparated RTN inputs are joined on the board.

    Figure 2-11 Architecture of the NE40E-X16 AC power supply system

    area 2

    area 1

    area 3

    area 4

    PEMA1

    PEMB4PEMA4

    PEMA2

    PEMA3

    PEMB2

    PEMB1

    PEMB3

    DC a1DC b1

    DC b4DC a4

    DC a3

    DC a2

    DC b3

    DC b2

    backplaneAC1 AC2

    DCa

    DCb

    LPU

    LPULPULPULPULPULPU MPUMPU

    SFU

    SFUSFUSFU

    LPU

    LPULPU

    LPULPU

    LPU

    LPU LPU LPU

    LPU

    area 1 area 2

    area 3area 4

    FFU FFU

    FAN FAN

    FFUFAN FAN

    FFU

    Installing the AC power module in the same cabinet as the chassis is recommended. If the ACpower module cannot be installed in the same cabinet as the chassis, it should be placed nearthe cabinet and careful attention needs to be paid to the cabling. Two AC power modules workin 1+1 backup mode. Each power module provides four circuit breakers and eight AC powerinputs. Each circuit breaker is 20 A.Table 2-5 lists the technical parameters of the AC power module.

    Table 2-5 Technical parameters of the AC power supply moduleItem Technical ParameterDimensions (Width x Depthx Height)

    442 mm x 650 mm x 88 mm ( 17.40 in. x 25.59 in. x 3.46 in. )

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  • Item Technical ParameterInput voltage range 90 V to 275 V (recommend)

    175 V to 275 VMaximum input current 18.5A/single moduleMaximum output current 50A/single moduleMaximum output power 2900 W/single module

    2.3 Heat Dissipation SystemThis section describes the appearance, functions, and specifications of the heat dissipationsystem.

    2.3.1 System Air ChannelThis section describes the NE40E-X16's system air channel.The NE40E-X16 is divided into an upper chassis and a lower chassis; it draws in air from thefront and exhausts air from the rear. The air intake vent on the upper chassis is located abovethe board area on the front chassis; the air exhaust vent is located above the board area on therear chassis. The lower chassis and the upper chassis are opposites. The upper chassis and thelower chassis also have separate heat dissipation systems.The middle area of the NE40E-X16 is for SFU slots.The air intake vent of this area is locatedon the left of the chassis. Two upper SFU slots in the area draw in air from the left. When flowingto the right, the air joins the air from the upper chassis. Two lower SFU slots in the area alsodraw in air from the left. When flowing to the right, the air joins the air from the lower chassis.Figure 2-12 shows the air flow in the NE40E-X16.

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  • Figure 2-12 Air flow in the NE40E-X16

    2.3.2 Air Intake VentThis section describes the air intake vents.The NE40E-X16 has three air channels.The upper and lower chassis have separate air channels that draw air from the front and exhaustsair from the rear. The air filters are installed over the air intake vents. Each filter has a curvedface, large area, and small windage resistance. These features help to improve heat dissipationefficiency. Air filters on the upper and lower chassis are identical.The air channel in the SFU slot area is located on the left of the chassis. The air filter uses frontaccess. The depth of the air filter is the same as that of an SFU and the height of the air filter isfour times the height of the an SFU.

    2.3.3 Fan ModuleThis section describes the appearance of the fan module.Two fan modules each containing one fan are located side by side at the air exhaust vent. If asingle fan fails, the system can still work normally for a short period of time at ambienttemperature of 40C ( 104F ). Figure 2-13 shows the appearance of a fan module.

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  • Figure 2-13 Appearance of a fan module

    Table 2-6 describes the indicators on the fan module.

    Table 2-6 Description of the indicators on the fan moduleIndicator Color DescriptionSTATUS Green If the indicator blinks, the fan

    module is working normally.Red If the indicator blinks, the fan

    module, PEM, or filteringbox is faulty.

    Table 2-7 lists the technical parameters of the fan module.

    Table 2-7 Technical parameters of the fan moduleItem Technical ParameterDimensions (width x depth x height) 210.4 mm x 100 mm x 243.7 mm ( 8.28 in. x

    3.94 in. x 9.59 in. )Weight 3.4 kg( 7.50 lb )Power consumption (typical value) 30 WMaximum noise 74 dB

    2.3.4 Air FilterThe NE40E-X16 draws in air from the front and exhausts air from the rear. The two air filterson the upper and lower chassis are identical. To maximize air intake, the filters are fully

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  • perforated. Air filters are fixed to the chassis by fasteners to facilitate filter removal andreplacement.Figure 2-14 shows the appearance of an air filter.

    Figure 2-14 An air filter

    The air channel in the SFU slot area is located on the left of the chassis. The air filter uses frontaccess. The depth of the air filter is the same as that of an SFU and the height of the air filter isfour times the height of an SFU as shown in Figure 2-15.

    Figure 2-15 An air filter in the SFU slot area

    Placing a black sponge air filter at the air intake vent helps to prevent dust from entering thesystem. It is recommended that air filters be removed and cleaned at least once every threemonths.

    2.3.5 Fan Speed AdjustmentThis section describes the fan speed adjustment.When the system is fully configured, temperatures reported by the temperature sensors on theLPUs, SFUs, and MPUs serve as the basis for fan speed adjustment. General principles are listedbelow:

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  • AmbientTemperature

    RotationalSpeed

    Noise and Dissipation Standards

    -5C+27C ( 23F 80.6F )

    Low speed (2200/min)

    When fans rotate at a constantly low speed, the noisesmeet the ETSI standard and the fans meet heat dissipationrequirements of a fully configured system.

    27C50C (80.6F 122F)

    Linear variation The fan speed is adjusted smoothly in linear mode,without a sharp increase in noises.

    Over 50C( 122F )

    High speed (5900/min)

    Fans rotate at high speed to meet heat dissipationrequirements.

    2.3.6 FFUThe Fan Power Filtering Unit (FFU) filters the power supply for the fan frame of the device.The FFU performs functions such as reporting a signal that the FFU is in position, e-label readingand writing, and indicators.

    Outline of the FFUFigure 2-16 shows the outline of the FFU.

    Figure 2-16 Outline of the FFU

    Functionsl The FFU can send a signal indicating that it is in position.

    The hardware of the FFU supports reporting of a signal that the FFU is in position.l The FFU supports hot swap.

    The I2C port of the IC makes the FFU hot-swappable.l The FFU provides indicators.

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  • The FFU provides an indicator (red/green) to indicate the working status of the FFU.l The FFU provides the e-label function.

    The FFU supports EEPROM extension, allowing you to read and write the e-label.

    Panel DescriptionTable 2-8 shows the outline of the panel for the FFU.

    Table 2-8 Indicator descriptionIndicator DescriptionSTATUS When the FFU works normally, this indicator remains steady green.

    When the FFU generates an alarm, this indicator goes red.

    SpecificationsTable 2-9 shows the specifications of the FFU.

    Table 2-9 SpecificationsParameter ValueTypical powerconsumption

    2 W

    Heat dissipation 6.5 BTU/hourWeight 0.7 kg ( 1.54 lb )

    2.4 Switching NetworkThis section describes the functions of the SFU.

    2.4.1 Introduction to the Switching NetworkThis section describes the principle of the SFU.The switching network responsible for switching data between LPUs is a key component of theNE40E. The NE40E uses switching chips developed by Huawei and Memory-Crossbar-Memory(M-C-M) to provide a three-level switching mode. Level-1 and level-3 switching use a shared-memory model and are performed on LPUs; level-2 switching uses a Crossbar model and isperformed on SFUs. Figure 2-17 shows the switching network of the NE40E.The level-1 switching chip on one LPU is fully connected to the level-2 switching chips on SFUs.The level-2 switching chips on the SFUs are also fully connected to the level-3 switching chipon another LPU. In addition, the level-2 crossbar switching chips work in load balancing modeon multiple switching planes. The entire switching network is unblocked. The followingdescribes how data packets are transmitted across the switching network.

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  • 1. Data packets enter an LPU through physical interfaces and are fragmented into cells of afixed length. These cells are then sent to the level-1 switching chips. After being bufferedand scheduled, the cells enter the crossbar switching chips on the SFU. The level-1switching chip on an LPU is fully connected with all of the level-2 switching chips. As aresult, the same number of cells can be distributed to each level-2 switching plane. Thisimplements load balancing on switching planes and facilitates fault tolerance.

    2. After the cells reach the crossbar switching chips, the crossbar switching chips schedulethe cells to the corresponding outbound interfaces according to the destination interfacesof the data packets. The cells are then sent to the level-3 switching chips on another LPU.At this point, the switching of the cells by the level-2 switching chips is completed.

    3. After the cells reach the level-3 switching chips on another LPU, the system searches forthe destination interfaces. Once found, the cells are reassembled and sent out throughphysical interfaces. At this point, switching of the data packets is completed.

    Figure 2-17 Switching network of the NE40E

    Crossbar

    ForwardingTable

    ForwardingDecision

    IP DATA

    ForwardingTable

    ForwardingDecision

    IP DATA

    ForwardingTable

    ForwardingDecision

    IP DATA

    Memory Memory

    Memory Memory

    Memory Memory

    IP DATA

    IP DATA

    IP DATA

    SFU

    LPU LPU

    ReliabilityThe NE40E-X16 has four SFUs that work in 3+1 load balancing mode. The four SFUs loadbalance services at the same time. When one SFU is faulty or being replaced, the other threeSFUs automatically take over its tasks to ensure normal delivery of services,thus improvingsystem reliability.

    2.4.2 Switch Fabric Unit B(SFUI-200-B)Appearance

    Figure 2-18shows the appearance of the Switch Fabric Unit B(SFUI-200-B).

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  • Figure 2-18 Appearance of the Switch Fabric Unit B(SFUI-200-B)

    PanelFigure 2-19 shows the appearance of the panel.

    Figure 2-19 Appearance of the Panel

    1. Ejector lever 2. ACT indicator 3. OFL button 4. OFL indicator5. RUN indicator

    Table 2-10 describes the buttons and indicators on the panel.

    Table 2-10 Buttons and indicators on the panelLED DescriptionRUN(green)

    Before the registration of the SFU: If the indicator blinks twice every second (2Hz), the system is in the alarm state.After the registration of the SFU: If the indicator blinks once every two seconds(0.5 Hz), the system is running normally.

    ACT(green)

    If the indicator is on, it indicates that the SFU is working normally; if the greenindicator is off, it indicates that the SFU is faulty.

    OFL (red) When the SFU is working normally, the OFL indicator is off. After the OFLbutton is pressed to power off the SFU, the OFL indicator is on.

    NOTE

    The Switch Fabric Unit B (SFUI-200-B) can be used only on the NE40E-X16.

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  • 2.4.3 CR5DSFUI407BAppearance

    As shown in Figure 2-20, the CR5DSFUI407B on the NE40E-X16 switches data for the entiresystem at line speed of 640 Gbit/s (320 Gbit/s for the upstream traffic and 320 Gbit/s for thedownstream traffic). This ensures a non-blocked switching network.The NE40E-X16 has four SFUs working in 3+1 load balancing mode. The entire system providesa switching capacity at wire speed of 2.56 Tbit/s.The four SFUs load balance services at the same time. When one SFU is faulty or being replaced,the other three SFUs automatically take over its tasks to ensure normal delivery of services.

    Figure 2-20 Appearance of the CR5DSFUI407B

    PanelFigure 2-21 shows the appearance of the panel.

    Figure 2-21 Appearance of the Panel

    1. Ejector lever 2. ACT indicator 3. OFL button 4. RUN indicator5. OFL indicator

    Table 2-11 describes the buttons and indicators on the panel.

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  • Table 2-11 Buttons and indicators on the panelLED DescriptionRUN(green)

    Before the registration of the SFU: If the indicator blinks twice every second (2Hz), the system is in the alarm state.After the registration of the SFU: If the indicator blinks once every two seconds(0.5 Hz), the system is running normally.

    ACT(green)

    If the indicator is on, it indicates that the SFU is working normally; if the greenindicator is off, it indicates that the SFU is faulty.

    OFFLINE(red)

    When the SFU is working normally, the OFL indicator is off. After the OFLbutton is pressed to power off the SFU, the OFL indicator is on.

    NOTE

    The CR5DSFUI407B can be used only on the NE40E-X16.

    2.5 Control PlaneThis chapter describes the control plane of the NE40E-X16.

    2.5.1 Introduction to the Control PlaneThis section describes the functions of the control plane.The control plane of the NE40E-X16 is separated from the data plane and the monitoring plane.The MPU on the NE40E-X16 is responsible for system control and management, including routecalculation, device management and maintenance, and device monitoring.

    System Control and Management UnitAs the system control and management unit, the MPU provides the following functions on thesystem control panel:l Route calculation: All routing protocol packets are sent by the forwarding engine to the

    MPU for processing. In addition, the MPU broadcasts and filters packets, and downloadsrouting policies from the policy server.

    l Outband communication between boards: The LAN switch modules integrated on the MPUprovide outband communications between boards. In this manner, messages can becontrolled, maintained, and exchanged between SFUs and LPUs.

    l Device management and maintenance: Devices can be managed and maintained throughthe management interfaces (serial interfaces) provided by the MPU.

    l Data configuration: The MPU stores configuration data, startup files, charging information,upgrade software, and system logs.

    l Data storage: The MPU provides two interfaces for CF cards, which serve as mass storagedevices to store data files.

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  • System Clock UnitAs the system clock unit, the MPU provides accurate and reliable SDH clock signals for LPUs.The MPU can provide three-channel 2.048-MHz synchronous clock signals for the downstreamdevices, or receive 2.048-MHz or 2.048-Mbit/s external reference clock signals.To support IEEE 1588v2, that is, the Precision Time Protocol (PTP), the SDH clock interfacecan input time information in multiple formats by selecting specific software.

    System Maintenance UnitAs the system maintenance unit, the MPU collects monitored information to test system unitslocally or remotely, or implement in-service upgrading of system units.The MPU periodically collects information about the operation of system units through theMonitorbus. The MPU then generates related control information based on the collectedinformation, for example, the detection of board installations and adjustments to fan speed.Through the joint test action group (JTAG) bus, the MPU remotely or locally tests system units,or performs in-service upgrades of system units.

    ReliabilityThe main control modules, clock modules, and LAN switch modules on the MPU work in 1:1hot backup mode, thus improving system reliability.The two MPUs work in 1:1 backup mode. Each MPU monitors the status of the other. If themaster MPU is faulty, the slave MPU automatically takes over as the master MPU.

    2.5.2 CR5D0MPUB460Appearance

    Figure 2-22 shows the appearance of the CR5D0MPUB460.

    Figure 2-22 Appearance of the MPU

    NOTE

    In this document, the equipment exterior is for reference only. The actual equipment may differ from what isshown in the figures.

    PanelFigure 2-23 shows the appearance of the panel.

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  • Figure 2-23 Appearance of the panel

    1. Ejector lever 2. CLK/Serial 3. CLK/1PPS 4. CLK/TOD5. AUX 6. Console 7. MGMT-ETH 8. CTL-ETH-SFP9. LINK/ACT 10. CF OFL button 11. CF card 12. CF indicator13. USB 14. RESET 15. ALM indicator 16. OFL button17. OFL indicator 18. RUN indicator 19. ACT active/standby

    indicator20. MGMT-ETH LINKindicator

    21. MGMT-ETH ACTindicator

    Table 2-12 lists the buttons and indicators on the panel of the MPU.

    Table 2-12 Buttons and indicators on the panel of the MPUIndicator/Button DescriptionOFL button To remove a board, you must press and hold the button for six

    seconds until the OFL indicator turns on.This button takes effect only on the slave MPU.

    OFL indicator (red) If the indicator is on, you can remove the board.RUN indicator (green) If the indicator blinks once every two seconds (0.5 Hz), the

    system is in the normal state.If the indicator blinks twice each second (2 Hz), the system is inthe alarm state.

    ALM indicator (red) If the indicator is steady on, the system is in the alarm state.If the indicator is steady off, the system is in the normal state.

    ACT active/standbyindicator (green)

    If the indicator is steady on, the MPU is in the active state.If the indicator is off, the MPU is in the standby state.

    Reset button The button is used for resetting the MPU. If you press the Resetbutton, you can reset the MPU.

    CF ACT indicator (green) If the indicator is on, the CF is in position.If the indicator is blinking, data is being read or written.If the indicator is off, the CF is not in position or can be removed.

    CF OFL button If you press the CF OFL button, all operations on the CF cardwill be ended and the CF card will be powered off.

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  • Indicator/Button DescriptionSFP LINK/ACT indicator(green)

    If the indicator is steady on, the link is normal.If the indicator is blinking, data is being transmitted.

    MGMT-ETH LINKindicator (green) (onEthernet networkinterfaces)

    If the indicator is steady on, the link is normal.If the indicator is off, the link is Down.

    MGMT-ETH ACTindicator (amber) (onEthernet interfaces)

    If the indicator is blinking, data is being transmitted.If the indicator is off, no data is being transmitted.

    Table 2-13 describes the interfaces on the MPU and their uses.

    Table 2-13 Interfaces on the MPU and their usesInterface Name Connector Type DescriptionUSB interface USB It is used to hold a USB disk to store data

    files as a massive storage device.CF card interface TYPE II

    (compatible withTYPE I)

    It is used to hold a CF card to store data filesas a massive storage device.

    CTL-ETH-SFP interface(1000MBase-X)

    SFP It is not used and reserved for the use aftercapacity expansion.

    MGMT-ETH interface(10M/100M/1000MBase-TX auto-sensing)

    RJ45 It connects to the NMS workstation and hasLINK and ACT indicators.

    Console interface RJ45 It connects to the console for on-siteconfiguration of the system.

    AUX interface RJ45 It connects to the Modem for remotemaintenance through dialing.

    CLK/TOD0 RJ45 It is used to input or output 2-Mbit/s clocksignals, 2-MHz clock signals, 1pps+ASCIIclock signals, or two channels of DCLSclock signals.

    CLK/TOD1

    CLK/1PPS SMB It is used to input or output 2-Mbit/s clocksignals, 2-MHz clock signals, or 1 PPSsignals.

    CLK/Serial SMB It is used to input or output 2-Mbit/s clocksignals, 2-MHz clock signals, or RS232signals.

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  • NOTE

    BITS2 provides two SMB ports, and the signal type can be set to 2Mbps/2Mhz/1PPS+RS232. When signalis 2Mbps/2Mhz,CLK/1PPS is fixed as input and CLK/Serial is fixed as output. When signal is 1PPS+RS232, CLK/1PPS and CLK/Serial are bound together, CLK/1PPS signal type is 1PPS whereas CLK/Serial signal type is RS232, and the setting of input/output apply to both SMB ports.

    Interface AttributesTable 2-14 lists the USB interface attributes.

    Table 2-14 USB interface attributesAttribute DescriptionConnector type USBOperation mode High-speed mode or full-speed modeStandard compliance USB 2.0Cable specification Standard USB cables

    Table 2-15 lists the 1000MBase-X-SFP interface attributes.

    Table 2-15 1000MBase-X-SFP interface attributesAttribute DescriptionConnector type SFPOperation mode 1000M fiberStandard compliance IEEE 802.3-2002Cable specification Single-mode or multi-mode fibers

    Table 2-16 lists the attributes of the 10Base-T/100Base-TX/1000Base-T-RJ45 interfaces.

    Table 2-16 10Base-T/100Base-TX/1000Base-T-RJ45 interface attributesAttribute DescriptionConnector type RJ45Operation mode 10M/100M/1000M auto-sensing interfaces, supporting half-duplex and

    full-duplex modesStandardcompliance

    IEEE 802.3-2002

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  • Attribute DescriptionCablespecification

    Category 5 unshielded twisted pair (UTP) cables recommended when theinterface rate is 10 Mbit/s or 100 Mbit/s; super category 5 ShieldedTwisted Pair (STP) cables recommended when the interface rate is 1000Mbit/s

    Table 2-17 lists the console interface attributes.

    Table 2-17 Console interface attributesAttribute DescriptionConnector type RJ45Operation mode Duplex Universal Asynchronous Receiver/Transmitter (UART)Electricalattribute

    RS-232

    Baud rate 9600 bit/s (default value), which can be changed as requiredData equipmenttype

    Data Circuit-terminating Equipment (DCE)

    Cablespecification

    8-core shielded cable

    Table 2-18 lists the AUX interface attributes.

    Table 2-18 AUX interface attributesAttribute DescriptionConnector type RJ45Operation mode Duplex UARTElectricalattribute

    RS-232

    Baud rate 9600 bit/s (default value), which can be changed as requiredData equipmenttype

    Data Terminal Equipments (DTE)

    Cablespecification

    8-core shielded cable

    Table 2-19 lists the external clock interface attributes.

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  • Table 2-19 External clock interface attributesAttribute DescriptionConnector type RJ45Cablespecification

    120-ohm clock cable

    Standardcompliance

    G.703

    Table 2-20 lists the external clock interface attributes.

    Table 2-20 External clock interface attributesAttribute DescriptionConnector type SMBCablespecification

    75-ohm clock cable

    Standardcompliance

    G.703

    2.5.3 CMUThe Centralized Monitoring Unit (CMU) controls fog, temperature, and humidity sensors.Therefore, the CMU is the environment monitoring and management center for the chassis. TheCMU is composed of a sensor management module, a system control module, and acommunications module.

    CMU OutlineFigure 2-24 shows the outline of the CMU.

    Figure 2-24 CMU outline

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  • Functionsl Detecting the alarms of the fog sensor

    A certain interface on the panel of the CMU can be connected to the fog sensor in thecabinet or equipment room. In this manner, the CMU can detect the alarms of the fogsensor. When detecting an alarm from the fog sensor, the device management IC on theCMU sends the alarm to the device.

    l Detecting the ambient temperature and humidity Certain interfaces on the panel of the CMU can be connected to the ambient temperature

    and humidity sensors in the cabinet or equipment room. In this manner, the CMU candetect the alarms of the ambient temperature and humidity sensors. When detecting analarm, the device management IC on the CMU sends the alarm to the device.

    l Cabinet door control The CMU monitors the cabinet door (open or close) through magnetic detection and

    sends signals to the device. In addition, the CMU supports remote unlocking so that youcan remotely instruct the CMU to allow or prohibit door opening.

    l Alarm output The CMU provides two-level alarm output.

    l Major-node alarm detection The CMU allows input of alarm detection signals from up to six major nodes to detect

    whether the devices outside the chassis are normal.l One RS-232 port and one RS-485 port

    The CMU provides an RS-232 serial port for you to search information about the CMU.In addition, the CMU provides an RS-485 serial port to connect required devices. TheRS-485 port provided by the CMU can work in full duplex mode.

    Panel DescriptionFigure 2-25 shows the outline of the panel.

    Figure 2-25 Panel outline

    Table 2-21 lists the functions of the indicators on the CMU panel.

    Table 2-21 Description of the indicators on the CMU panelIndicator DescriptionRUN (green) This indicator indicates the running status of the CMU.

    When the CMU runs normally, this indicator blinks at a frequency of1 Hz. If the CMU has not started, this indicator blinks at a frequencyof 5 Hz.

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  • Indicator DescriptionALM (red) This is an alarm indicator. If the CAN bus fails, this indicator blinks

    at a low frequency.

    Table 2-22 lists the purpose of every interface on the CMU panel.

    Table 2-22 Interface purposesName PurposeRS-232 This is a serial debugging port and can be connected to a serial port on

    a PC.RS-485 This is a serial port and works in full-duplex mode.FOG12V This port can be connected to the "+" end of the fog sensor. The power

    supply voltage of the fog sensor is 12 V.FOG_IN This port can be connected to the "-" end of the fog sensor.ANA1 Input of analog values from a sensor (current input: 0 to 25 mA; voltage

    input: 0 to 2.5 V)AN12V Voltage of the power supply for a sensor (12 V)ANA2 Input of analog values from a sensor (current input