Huawei BTS3900E GSM User Manual page 68

6 BTS3900E Maintenance
Step 13 In the Board Management window, right-click the target BTS3900E and choose Board
Information from the displayed shortcut menu. Check whether the software version of the
BTS3900E matches the current BTS software version.
If...
The software version of the BTS3900E does
not match the current BTS software version
The software version of the BTS3900E
matches the current BTS software version
Step 14 In the Board Management window, right-click the target BTS3900E and choose Board
Warning from the displayed shortcut menu. Check for the alarms related to the BTS3900E.
If...
Related alarms exist
No related alarm exists
Step 15 Perform dialing tests and ensure that the corresponding services on the cell of the new BTS3900E
are normal.
Step 16 Close the cover plate and tighten the six captive screws.
----End
Postrequisite
Contact the local Huawei office to handle the faulty BTS3900E.
6.4 Replacing an Optical Module
This describes how to replace a faulty optical module. The optical module provides the electrical-
optical interface for the optical transmission between two cascaded BTS3900Es. During the
replacement of the optical module, the optical cable is removed. Thus, the signal transmission
between the two cascaded BTS3900Es is disrupted.
Prerequisite
l
l
l
Context
Optical modules are hot-swappable.
6-6
The number and type of the faulty optical module are confirmed, and new optical modules
are ready.
The installation positions of faulty optical modules and the connections of optical cables
are recorded.
The tools and materials such as the ESD wrist strap/ESD gloves and ESD box/ESD bag
are ready.
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Then...
Load and activate the software.
Go to the next step.
Then...
Rectify the fault according to the handling
suggestion.
The replacement of the BTS3900E is
successful.
BTS3900E GSM
User Guide
Issue 01 (2010-01-15)