1Installing and Commissioning RTN 900 V100R200 Hybrid
Microwave
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Properly handle the IF board and SCC power switches.
The field personnel do not know how to operate the power switches.
As a result, a large number of boards on the existing network are
damaged.
This point must be imparted to every field engineer, especially the
personnel of the partners.
2
Do not reseat IF cables when the power is on.
The ODU and IF board are damaged by the reseating of IF cables when
the power is on.
This point must be imparted to every field engineer, especially the
personnel of the partners.
3
Do not tear up the ODU seal or remove the ODU cover.
If the seal of the ODU is torn up or the cover of the ODU is
removed, the vendor will refuse to provide warranty services.
This point must be imparted to every field engineer, especially the
personnel of the partners.
4
Do not damage equipment with improper operations.
If the damage is caused by artificial factors, the vendor will
refuse to provide warranty services.
This point must be imparted to every field engineer, especially the
personnel of the partners.
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Properly handle the IF board and SCC power switches.
These boards are damaged due to improper operations of the
personnel.
Note: So many boards are found damaged in only one project!
Train microwave partners for standardized operations according to
projects.
Hand out related training materials to every partner and every
engineering team.
Provide special trainings for the partners with serious
problems.
Provide effective trainings to all new partners.
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Do not reseat IF cables when the power is on.
Ensure the power is off before reseating IF cables or IF
boards.
Pull IF cables out of the IF board, IF jumper, or ODU or plug into
them after the power is off.
IF boards should also be reseated after the power is off.
Be careful in the use of a multimeter for testing the IF output
voltage to avoid short circuits.
Train microwave partners for standardized operations according to
projects.
Hand out related training materials to every partner and every
engineering team.
Provide special trainings for the partners with serious
problems.
Provide effective trainings to all new partners.
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Do not reseat IF cables when the power is on.
Power off the IF board before reseating IF cables.
Reseating IF cables when the power is on tends to cause a short
circuit between the -48V power supply and the GND, which will blow
out the protection tube.
The picture shows the short circuit.
Train microwave partners for standardized operations according to
projects.
Hand out related training materials to every partner and every
engineering team.
Provide special trainings for the partners with serious
problems.
Provide effective trainings to all new partners.
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Huawei Confidential
Key Points
Do not tear up the ODU seal or remove the ODU cover.
If the seal of the ODU is torn up or the cover of the ODU is
removed without permission, the vendor will refuse to provide
warranty services.
The seal of the ODU shall not be torn up.
The ODU cover shall not be removed without permission.
Train microwave partners for standardized operations according to
projects.
Hand out related training materials to every partner and every
engineering team.
Provide special trainings for the partners with serious
problems.
Provide effective trainings to all new partners.
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Do not damage equipment with improper operations.
If the damage is caused by artificial factors, the vendor will
refuse to provide warranty services.
Handle ODUs with care.
Hoist and install ODUs with caution to avoid collision with the
tower.
If the damage is caused by artificial factors, the vendor will
refuse to provide warranty services.
The ODUs damaged during engineering operations must be returned as
soon as possible. The vendor shall not provide warranty services
after the warranty expires.
Train microwave partners for standardized operations according to
projects.
Hand out related training materials to every partner and every
engineering team.
Provide special trainings for the partners with serious
problems.
Provide effective trainings to all new partners.
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Contents
Other Specifications
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Scenario
Note
Installation of ODUs
The operation is the same as that of the traditional
microwave.
The Standardized Operating Process (SOP) is implemented based on
the existing process. Courseware for partners . 3D animation.
2
Installation of IDUs
The operation is the same as that of the RTN 900 V1R1.
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RTN 910
RTN 950
Rated Voltage
–48V/–60V
–48V/–60V
Voltage Range
–38.4V–72V
–38.4V–72V
2
2
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B
A
BSC
MSC
Microwave
NMS
Means for supporting the partner to complete the construction of
BTSs independently:
WEBLCT
SOP
Downloading the script files for remote access in wireless
mode
Centralized NMS (including 2M and shared 2M)
Service configuration tools
Remote commissioning is recommended.
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Station work
Equipment commissioning
It is recommended that the partners complete the station work
independently.
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Methods for commissioning the hybrid microwave are described as
follows:
The AM function of the hybrid microwave should be disabled before
the antennas are aligned.
The antennas should be aligned in low modulation mode provided by
network planning.
The received signal level (RSL) value must be within the scope as
required. The AM function of the hybrid microwave must be enabled
after the antennas are aligned.
Note: During equipment commissioning, perform operations as
required. Otherwise, the boards may be damaged and you have to
enter the station to replace the damaged boards!
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Huawei Confidential
Equipment Commissioning
Power On
There is no power switch on the RTN 900 IDU cabinet, so that, it is
important to test the input voltage value.
Power on
Enable the
AM function
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RTN 950
RTN 910
1
2
The switches must be pulled out first and then turned to the right.
Forcible pulling is prohibited!
Power on the corresponding power distribution box first.
Power on the ODUs on the IF board (including active and standby
ODUs). Note: The switches must be first pulled out and then
turned.
3
Enable the
AM function
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ETH-OAM
WEBLCT
Enable the
AM function
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Enable the
AM function
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Enable the
AM function
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Configure NE names.
Change NE IDs. The IDs in one network must be unique.
Enable the
AM function
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Enable the
AM function
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Huawei Confidential
Equipment Commissioning
Create the IF 1+1 protection group (this step can be omitted for
the 1+0 mode).
Slot 1 and Slot 2 constitute a protection group with Slot 1 as the
recommended working slot.
Slot 3 and Slot 5 constitute a protection group with Slot 3 as the
recommended working slot.
Slot 4 and Slot 6 constitute a protection group with Slot 4 as the
recommended working slot.
Enable the
AM function
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Enable the
AM function
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Huawei Confidential
Equipment Commissioning
Confirm that the AM function is disable .the default value is
disable.
Configure Hybrid/AM——set IF channel band and confirm that the AM
function is disabled.
Set the channel space and modulation accroding to the design
document.
Input the E1 number of the Hybrid microwave frame. The E1 number
should be the same as the design document.
The number of E1 should be the same in one hop.
Power on
Enable the
AM function
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Enable the
AM function
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Enable the AM function.
After the AM function is enabled, set IF Channel Band, Modulation
Mode of the Assured AM Capacity, and Modulation Mode of the Full AM
Capacity according to networking planning.
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Other Specifications
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Communicate NMS information through the extended ECC.
For one telecom room, multiple RTN600s can interwork through the
extended ECC. This work must be made clear to partners in
advance.
NMS
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Through service channels provided by the customer
The customer provides the Ethernet or E1 (or N x 64 K) channels,
and NMS information of Huawei is directly connected to the
third-party Ethernet port as common services or connected to E1
channels through the protocol converter/clock port.
The interface of Huawei is simple, involving no cooperation with
third-party equipment.
The service channels of the customer are occupied.
1
Transparent transmission through synchronous ports or asynchronous
ports
The third-party equipment is required to provide the synchronous or
asynchronous data ports. Then, information is transmitted
transparently through the third-party microwave equipment. Finally,
information is converted back to Ethernet NMS information through
the protocol converter. The NMS can also be connected to the
third-party equipment directly.
Service channels are not occupied.
1. Special connectors need to be prepared. 2. The cooperation of
the third party is required, which is very risky.
2
Through the IP over DCC protocol
The NEs of the third-party equipment are required to support IP and
NMS ports. NMS information is transmitted in IP sharing mode.
Service channels are not occupied.
1. It is hard to configure. 2. The cooperation of the third party
is required, which is very risky.
3
Through the OSI protocol
The NEs of the third-party equipment are required to support OSI
(TP4) and NMS network ports. NMS information is transmitted in OSI
sharing mode.
Service channels are not occupied.
1. It is harder to configure this solution than the IP solution. 2.
The cooperation of the third party is required, which is very
risky.
4
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Huawei Confidential
Acceptance – Strategies
1. The operations must be strictly compliant with the Acceptance
Guide.
2. The acceptance consists of two parts, namely, Acceptance Items
and Form (Recommended) and Acceptance Items and Form
(Optional).
3. It is recommended that the items to be tested should be selected
only from the Acceptance Items and Form (Recommended) and the items
should be as few as possible. If the customer has special
requirements, a few items that can be tested can be selected from
the Acceptance Items and Form (Optional).
4. Before the acceptance, acceptance items and operation
instructions that correspond to these items should be printed based
on the selected items, combined into a manual, and submitted to the
customer. The manual submitted to the customer cannot consist of
items not to be tested and corresponding test instructions. It is
prohibited to submit the unedited Acceptance Guide to users.
5. The items selected from the Acceptance Items and Form (Optional)
need to be quoted and charged separately.
6. Recommend remote acceptance to customers. It is recommended that
the percentage of items subject to on-site acceptance be 5% -
10%.
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Acceptance – Online Test Methods of Ethernet Services
Online test methods of Ethernet services: The ETH-OAM function is
used for testing Ethernet services.
Prerequisite: Antenna alignment is completed. The RTN605 V100R300
or RTN620 V100R300 is configured with the EMS6.
Select the NE from the Object Tree in the NE Explorer of the NE1,
and then choose Configuration > Ethernet OAM Management >
Ethernet Service OAM Management
Select the MD, MA, and MEP that correspond to Port 1, click
OAM.
Select Start LB.
Select MP ID, and set the parameters in Test Node.
Click Start Test.
Check Detection Result. The LossRate in the Detection Result should
be 0.
Procedure:
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Acceptance – AM Test
Method of testing the AM handover function: If the hybrid microwave
is used for transmission, whether the handover function is normal
can be verified by testing the AM handover function.
Prerequisite: The antennas are aligned. The HYBRID/AM mode is
configured.
Disable the AM function.
Enable 15-minute performance monitoring.
Query the performance: No FEC-BER-COR-ER, and only the low
modulation mode is available.
Enable the AM function.
Query the performance: No FEC-BER-COR-ER exists. It can be found
that the modulation modes is adjusted from low to high.
Procedure:
Notes:
1. The two ends of the link must be configured synchronously.
2. This method is not the same as the method of decreasing the
optical power described in the Commissioning Guide. This is better.
The Commissioning Guide will be modified later.
1
3
5
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Other Specifications
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Strategies and requirements for microwave licenses
Due to the uncertainty of microwave network planning, delivery
based on BTSs is impossible. Therefore, under the microwave
strategy, the Supply Chain delivers the maximum number of licenses.
The GTS is in charge of reclaiming the frontline licenses. For
projects delivered by customers, customer support engineers should
mark them clearly and the Supply Chain delivers the licenses as
planned.
During the engineering implementation or before preliminary
acceptance, GTS engineers reclaim licenses according to the actual
license capacity in the orders. GTS engineers download license
files of the corresponding capacity from the support website of
Huawei, load them on the site or remotely through the DC software,
and then click the files to activate them.
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This will be added in TR6!
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Entry to CEAS
In 2008, the Network Product Technical Service Dept issued the
Notice on Requirements for Entry of Information About RTN Microwave
Customer Equipment to CEAS, clearly requiring that engineering
information about RTN microwave should be entered to CEAS in a
timely manner.
The requirements and mode of entering homegrown products to CEAS
should be the same as those of other products. After a project is
completed, related data needs to be entered in CEAS. For entry
criteria and operation methods, see the appendix to the
Notice.
For RTN microwave engineering projects completed in 2008 or
earlier, all missing data should be entered in CEAS in Q1 of
2009.
The network product manager of the technical service department at
each representative office is the first owner for entering and
supplementing data about homegrown microwave in CEAS. The product
manager designates microwave engineers to complete the entry.
Currently, CEAS features low entry rate, low accuracy, and poor
availability, which seriously affects the follow-up implementation
of services. To improve the data entry rate of CEAS and enhance the
timeliness and accuracy of CEAS data entry, the Network Product
Technical Service Dept reiterates that:
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Guide to entry of data about RTN900 V1000R200 in CEAS:
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Repair and Return of Damaged Boards
Currently, there is a large number of OEM parts, especially ODUs,
are not returned. This situation seriously affects the analysis of
fault causes and improvement of product quality of Huawei.
If the damaged boards (especially ODUs) are not returned in a
timely manner, the vendor may delay the replenishment.
The purchased microwave or ODU damaged within the warranty,
especially at the engineering stage, should be timely returned to
vendors for repair, thus avoiding expensive maintenance costs
caused by the repairs and returns beyond the warranty period.
Guide to Repair and Return of Overseas Purchased Microwave Parts
(V1.0)
Guide to the Process of Handling the Faulty Purchased ODU
(Applicable to the Countries Outside China)(V1.0)
Guide to the Process of Handling the Faulty Purchased ODU
(Applicable to China)(V1.0)
Criteria for Determining Whether an ODU Fault Is Caused by a
Quality Defect of the ODU
Checklist for the Description of the Faulty ODU.xls
Overseas Return and Repair Process for Spare Parts of Purchased
ODUs Used in Self-Made Microwave Equipment
In March 2009, the process for handling damaged microwave ODUs was
issued to the frontline for trial use. Representative offices and
project teams need to return damaged parts and purchased parts as
required.
Guide to Repair and Return of Overseas Purchased Microwave Parts
(V1.0)
Guide to the Process of Handling Damaged OEM Microwave ODUs –
Overseas (V1.0)
Guide to the Process of Handling Damaged OEM Microwave ODUs –
Domestic (V1.0)
Criteria for Distinguishing Quality Problems of ODU Vendors
Checklist of Description of Damaged ODUs
Training on the Process of Repairing and Returning Homegrown ODUs
of Huawei
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Key strategic points of homegrown microwave spare parts:
The number of microwave spare parts to be sold is 3% - 5% of that
of microwave spare parts to be installed. GTS engineers should
control the sales of microwave spare parts to customers
effectively.
The HQ does not store spare parts for OEM microwave or purchased
equipment such as ODUs and antennas.
In principle, representative offices are not allowed to store
microwave spare parts, especially OEM equipment such as ODUs.
For managed services and replacement of spare parts, representative
offices can store a certain number of IDU and ODU spare parts
according to the lowest requirement.
The HQ should review and approve the applications of representative
offices for spare parts in strict compliance with related service
contracts and service SLAs.
The OEM microwave and OEM spare parts applied for by representative
offices shall, in principle, not be returned to the HQ (the method
of handling the returned equipment or spare parts is
unavailable).
Thank you