Huawei BTS3900E GSM User Manual page 69

BTS3900E GSM
User Guide
It takes about five minutes to replace the optical module of the BTS3900E, which involves the
removal of the optical cable and the faulty optical module, the installation of the new optical
module, the connection of the optical cable to the optical module, and the time elapsed for the
restoration of the transmission links.
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Procedure
Step 1 Press the latch on the optical cable connector, and then remove the connector from the faulty
optical module.
Step 2 Turn the puller on the faulty optical module outwards. Then, hold the puller and take the faulty
optical module out of the port. Thus, the optical module can be separated from the BTS3900E.
Step 3 Install a new optical module on the BTS3900E.
Step 4 Remove the dustproof caps from the optical connector and from the optical module, and then
insert the connector into the new module.
----End
Postrequisite
Contact the local Huawei office to handle the faulty optical module.
Issue 01 (2010-01-15)
CAUTION
Take proper ESD protection measures, for example, wear an ESD wrist strap or a pair of
ESD gloves, to prevent electrostatic damage to the boards, modules, or electronic
components.
Do not look directly at the optical module after removing the connector of the optical cable
from the optical module.
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6 BTS3900E Maintenance
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