Installation of Cabinet Equipment

7/30/2019 Installation of Cabinet Equipment

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This chapter
http://c/PROGRA~1/Huawei/311825~1/outfiles/31043477-BTS3606E%20Cabinet%20Installation%20Guide(V300R002_02)/01-05%20Installation%20of%20Cabinet%20Equipment.pdfhttp://c/PROGRA~1/Huawei/311825~1/outfiles/31043477-BTS3606E%20Cabinet%20Installation%20Guide(V300R002_02)/01-05%20Installation%20of%20Cabinet%20Equipment.pdf


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Contents

5 Installation of Cabinet Equipment

5.1 Configuration of the BTS3606E Cabinet

5.2 Installing Baseband Boards

5.2.1 Materials and Tools

5.2.2 Precautions

5.2.3 Installation Procedure

5.3 Installing Removable Optical Modules



5.4 Installing RF Modules


5.4.2 Precautions


5.5 Installing Power Modules


5.5.2 Precautions

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Figures

Figure 5-1 Fully-configured 48 V BTS3606E cabinet with IDFUs

Figure 5-2 Fully-configured 48 V BTS3606E cabinet with CDDUs

Figure 5-3 Wearing the ESD-preventive wrist strap

Figure 5-4 Installing a baseband board

Figure 5-5 Installing a removable optical module

Figure 5-6 Removing a removable optical module


Figure 5-8 Installing the CDDU
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Tables

Table 5-1 Relation between the TOC power and the carrier mode

Table 5-2 Relation between the resource pool and the position of the CCPM, CECM, or CRDM

5Installation of Cabinet

Equipment

About This Chapter

The following table lists the contents of this chapter.

Section Describes

5.1 Configuration of the

BTS3606E Cabinet

The configuration diagrams of the BTS3606E cabinets

with CDDUs and IDFUs

5.2 Installing Baseband

Boards

How to install baseband boards and the precautions to be

taken during the installation

5.3 Installing Removable

Optical Modules

How to install removable optical modules

5.4 Installing RF Modules How to install RF modules and the precautions to be

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Section Describes

5.5 Installing Power Modules How to install power modules and the precautions to be

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5.1 Configuration of the BTS3606E CabinetFigure 5-1 shows a fully-configured BTS3606E cabinet with IDFUs.

Figure 5-1 Fully-configured 48 V BTS3606E cabinet with IDFUs

Figure 5-2 shows a fully-configured BTS3606E cabinet with CDDUs.
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Figure 5-2 Fully-configured 48 V BTS3606E cabinet with CDDUs

In full configuration, the +24 V BTS3606E cabinet and the 48 V BTS3606E cabinet are similarexcept for that the former does not require the PSU, but should be configured with the anti-

reverse module that is installed before delivery.


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5.2 Installing Baseband BoardsThe baseband boards are:

HPCM

BCIM

CRDM

BCKM

CCPM/CECM

This section describes the procedure for installing the baseband boards and the

precautions to be taken during the installation.

The slot for the channel processing board is marked CEM, that is, channel element module.

The slot houses the CCPM or the CECM.

The QCK1CCPM/QCK1CECM can be installed only in slots from 0 to 5 at the left side of

the baseband subrack in the BBC.


Materials

Baseband boards and M3 captive screws

Tools Wrench, screwdriver, ESD-preventive wrist strap, ESD-preventive gloves,and sharp-nose pliers

5.2.2 Precautions

Pay attention to the following points:

When installing baseband boards, you must wear an ESD-preventive wrist strap.

Ensure that the grounding core of the ESD-preventive wrist strap is connected to

the antistatic jack on the column of the cabinet.

Before installing a board or a module, read the hardware reference manual of therelevant board to check whether the DIP switches (if any) on the backplane and

board are correctly set. For example, before installing the BCIM, check whether

the DIP switches on the BCIM are correctly set according to the silk screen on theboard and theAirbridge BTS3606E CDMA Base Station Hardware Reference.

If the slot is covered by a dummy panel, loosen the bolts and remove the dummy

panel before installing the board.

Insert a board according to the name on the nameplate.

Do not touch the printed circuit board (PCB) and other components on a board,

except jumpers and DIP switches.

Gently insert a board vertical to the backplane. Otherwise, the pins and

components on the backplane may be damaged.


To install a baseband board, do as follows:


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Step 1 Ensure that the subracks are clean.

Step 2 Wear an ESD-preventive wrist strap and insert its grounding core into the antistaticjack on the side doorpost of the cabinet, as shown in Figure 5-3.


(1) Antistatic jack (2) Grounding core (3) ESD-preventive wrist strap

Step 3 Check whether any pin on the backplane is missing, bent or broken.

If any pin is bent, use sharp-nose pliers to straighten it in case of emergency.

If any pin is missing or broken, replace the backplane.

Step 4 Ensure that the ejector levers on the front panel are as shown in Figure 5-4 (a).

Step 5 Hold the upper ejector lever on the front panel with one hand and lift the boardwith the other hand.

Step 6 Put the board on the correct guide rail according to the name on the nameplate.

Step 7 Hold the two ejector levers and insert the board along the guide rail gently until itsnaps in place.

Step 8 Turn the two ejector levers towards the middle of the panel to fix the board, asshown in Figure 5-4 (b).

Step 9 Tighten the screws clockwise on the front panel, as shown in Figure 5-4(c).

Figure 5-4 shows the installation of a baseband board.
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Figure 5-4 Installing a baseband board

For details about the setting of DIP switches, see theAirbridge BTS3606E CDMA Base Station

Hardware Reference.

----End

5.3 Installing Removable Optical Modules

The removable optical modules of the QCK2CCPM and QCK2CECM have the same

installation procedure. This section describes the procedure for installing the removableoptical module in the QCK2CECM.


Materials

Removable optical modules

Tools ESD-preventive wrist strap and ESD-preventive gloves


Do not stare at the removable optical module when it is in running condition.

To install the removable optical module in the QCK2CECM, do as follows:

Step 1 Wear an ESD-preventive wrist strap and ESD-preventive gloves, and then insert itsgrounding core into the antistatic jack on the side door post of the cabinet.

Step 2 Hold the end of the optical module with a small handle.


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Step 3 Align the optical module with the relevant slot on the CECM.

Step 4 Insert the optical module gently until you hear a click sound.

Figure 5-5 shows the procedure for installing a removable optical module.

Figure 5-5 Installing a removable optical module

To remove the optical module, hold the small handle on the optical module, and then

pull it out gently, as shown in Figure 5-6.

Figure 5-6 Removing a removable optical module
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The optical modules are of two types: removable optical module and fixed optical module.The QCK2CCPM and QCK2CECM support both of them.

Each QCK2CCPM or QCK2CECM can be configured with two removable optical modules.

The QCK2CCPM and QCK2CECM support mixed configuration of removable optical

modules. That is, a QCK2CECM or a QCK2CCPM can be configured with removableoptical modules that support 70 km and 10 km connection distances simultaneously.

Each QCK2CCPM or QCK2CECM provides two optical ports or SFP ports.

If the TX indicator is ON, it indicates that the removable optical module is properly

installed.

To replace a removable optical module, first remove the optical fiber, and then remove the

optical module.

Keep the removed optical module clean and take ESD-preventive measures. Use a

protective cap to cover the optical module if you are not using it.

----End

5.4 Installing RF Modules

The RF modules are:

CMTR

CMPA

CDDU/IDFU

This section describes the procedure for installing the RF modules and the precautions

to be taken during the installation.

After installing the CMPA, rotate the ejector lever on the CMPA to the right.


Materials

CMTR, CMPA, and CDDU or IDFU

Tools Wrench, screwdriver, ESD-preventive wrist strap, and ESD-preventivegloves

5.4.2 Precautions


The transmit and receive performance of the BTS may deteriorate if the CMTR,CDDU, or IDFU is fastened before the board is in place.

The maximum power of the top of cabinet (TOC) varies according to the serving

band of the carrier module (CMTR and CMPA), as described inTable 5-1.
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Table 5-1 Relation between the TOC power and the carrier mode

Board Number of SupportedCarriers

Maximum TOC Power

CMTR+CMPA 1 to 4

Single carrier: 20 W (450 MHz/800 MHz/1.9 GHz) Two carriers: 40 W (450 MHz/2.1 GHz)

Three carriers: 60 W (450 MHz/800 MHz/1.9 GHz)

Four carriers: 80 W (800 MHz)

The resource pool used by the carrier module is related to the position of the

CCPM, CECM, or CRDM, as described in Table 5-2.

Table 5-2 Relation between the resource pool and the position of the CCPM, CECM, orCRDM

Configured CRDM(Yes orNo)

Board Configuration Principles

No CCPM The CCPMs 0 and 1, 2 and 3, or 4 and 5 can form a resource

pool through a daisy chain or each CCPM can form aresource pool separately. The CCPMs from 6 to 9 can form

resource pools separately, and they can be connected only

with the ODU.

When the CCPMs form resource pools through daisy chains,

they can simultaneously serve the TRMs in the upper andlower layers.

When the CCPM forms a resource pool separately, the TRM

in the upper layer can only use the CCPMs 0, 2, and 4, and

the TRM in the lower layer can only use the CCPMs 1, 3,and 5.

CECM CECM 6, 7, 8, and 9 can only form a resource pool

separately. It can be connected only with the ODU.

When the CECM forms a resource pool separately, the upper

layer TRM could only use CECM 0, 2, and 4, and the lower

layer could only use CECM 1, 3, and 5.

Yes The CRDM enables all the CCPMs or CECMs equipped in the

cabinet to form an entire resource pool.
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The procedure for removing RF modules is opposite to that for installing RF modules

Installing the CMTR or CMPA

The CMTR and the CMPA are installed in the same way.

To install the CMTR or CMPA, do as follows:

Step 1 Ensure that the subrack is clean.

Step 2 Wear an ESD-preventive wrist strap and insert its grounding core into the antistaticjack on the side door post of the cabinet, as shown in Figure 5-7.


(1) Antistatic jack (2) Grounding core (3) ESD-preventive wrist strap




Step 4 Align the CMTR or CMPA with its slot in the subrack.

Step 5 Install the CMPA.

Gently insert the CMPA along the guide rail into the subrack until the CMPA snaps in

place.

Step 6 Install the CMRR


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1. Gently insert the CMTR along the guide rail into the subrack until the front panel

of the CMTR is about 10 cm from the subrack.

2. Connect one end of the RF cable to the corresponding port in the front panel ofthe CMTR, and then insert the CMTR until it snaps in place.

Step 7 Use a screwdriver to tighten all the screws in the front panel of the CMTR or

CMPA to ensure that the front panel of the CMTR or CMPA securely contact with thesubrack.

----End

Installing the CDDU or IDFU

The CDDU and IDFU have the same installation procedure. Their difference lies in the cover onthe top of the cabinet. This subsection describes the procedure for installing only the CDDU.

To install the CDDU, do as follows:

Step 1 Remove the cover on the top of the cabinet. Ensure that the CDDU subrack isclean.


Step 3 Remove the four black protective covers at both sides of the CDDU.

Step 4 Align the CDDU with its slot in the CDDU subrack.

Step 5 Insert the CDDU along the guide rail until the panel of the CDDU is aligned withthe front of the subrack, as shown inFigure 5-8.

Figure 5-8 Installing the CDDU
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Step 6 Use a screwdriver to tighten all the screws on the panel.

----End

5.5 Installing Power ModulesThe power modules are PSU modules. This section describes the procedure for

installing the power modules and the precautions to be taken during the installation.


Materials

PSUDC/DC modules

Tools Screwdriver, ESD-preventive wrist strap, and ESD-preventive gloves

5.5.2 Precautions


Insert the power modules gently to prevent damage to the pins on the backplane.

Do not tighten the captive screws by force. If necessary, reinstall the powermodules and align the mounting holes in the modules with those in the subrack.


To install a power module, do as follows:

Step 1 Ensure that the cabinet and subrack are clean.





Step 4 Remove the dummy panel from the slot for the power module.

Step 5 Align the power module with the guide rail.

Step 6 Insert the power module along the guide rail until it snaps in place.

Step 7 Tighten the two captive screws on the panel.

----End

Documents

Installation of Cabinet Equipment