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AAU3940
Hardware Maintenance Guide
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Procedure
Step 1 Put on an ESD wrist strap or a pair of ESD gloves.
Take proper ESD protection measures, for example, put on an ESD wrist strap or a pair of ESD
gloves, to prevent electrostatic damage to the boards, modules, or other electronic components.
Step 2 Record the connections of the optical module and fiber optic cable.
Step 3 Press the latch on the optical connector, and then remove the connector from the faulty optical
module, as shown in the following figure.
Figure 5-2 Removing the cables
Do not look into the optical module without eye protection after removing the fiber optic cable
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 AAU.
Step 5 Install a new optical module into the AAU according to the label on the module.
Issue 01 (2015-01-15)
Optical modules are hot-swappable.
It takes about five minutes to replace an optical module on the AAU, which involves
disconnecting the fiber optic cable, removing the faulty optical module, inserting a new
optical module, reconnecting the fiber optic cable, and waiting for CPRI links to restore.
NOTICE
CAUTION
NOTE
The optical modules to be installed must match CPRI rates.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Replacing the Optical Module
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