CAUTION
Do not look into the fiber optic cable or optical module without eye protection after the fiber
optic cable is removed from the optical module.
Step 4
Lower the puller on the faulty optical module, and then pull the puller until the optical module
is removed from the BTS3902E.
Step 5
Prepare an optical module of the same type as the faulty optical module according to the label
on the module. Install the new optical module onto the BTS3902E.
NOTE
The optical modules to be installed must match the rate at the fast Ethernet or gigabit Ethernet (FE/GE)
port.
Step 6
Insert the fiber optic cable connector into the new optical module.
Step 7
Check the transmission of FE/GE signals by observing the status of the indicators labeled O/E
or O. For details about the status of the indicators, see BTS3902E Indicators in
BTS3902E
WCDMA Hardware Description
.
Step 8
Take off the ESD gloves, and pack up all the tools.
----End
Follow-up Procedure
l
Place the removed optical module into the ESD box or bag. Then, place the ESD box or
bag into a foam-padded carton or the packing box of the new module.
l
Fill in the fault form with detailed information about the removed component.
l
Contact the local Huawei office to handle the faulty optical module.
BTS3902E WCDMA
Site Maintenance Guide
5 Replacing an Optical Module
Issue 06 (2014-05-16)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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