Huawei DBS3900 Installation Manual page 147

LampSite
Site Maintenance Guide
Figure 7-3 Installing the new optical module
Step 7 Remove the dust-proof caps from the optical module and optical fiber, and connect the optical
fiber connector to the new optical module, as shown in
Figure 7-4 Installing the optical fiber
Step 8 Power on the RRU according to the instructions in
Step 9 Check whether CPRI signal transmission recovers by observing the CPRI indicator on the
RHUB3908 panel.
If...
The CPRI indicator is green
The CPRI indicator is red or in another color CPRI signal transmission is abnormal. Check
Step 10 Take off the ESD gloves and pack up all the tools.
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Issue 05 (2015-01-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Replacing an Optical Module
Figure 7-4.
4.1 Powering On the
Then...
CPRI signal transmission recovers and the
optical fiber replacement is successful.
whether the optical fiber and optical module
are securely installed.
RHUB3908.
23