Huawei BTS3900L Installation Manual page 97

BTS3900L (Ver.C)
Installation Guide
Prerequisites
l Wear ESD gloves or an ESD wrist strap before installing a module to protect the module
l Install a binding strap before bending optical fiber to protect the fiber from being broken.
l The performance of an optical module that is exposed to the air for more than 20 minutes
Context
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Procedure
Step 1 Install an optical module, as shown in
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Figure 11-27 Removing the dustproof cap from the port
Issue 07 (2013-11-08)
NOTICE
from any damage.
may be abnormal. Therefore, you must insert an fiber optic cable into an unpacked optical
module within 20 minutes.
Single-mode optical modules are labeled as SM and multimode optical modules are labeled
as MM.
The puller of a single-mode optical module is blue. The puller of a multimode optical
module is black or gray.
The optical modules to be installed must match the rates of their corresponding ports.
An FE/GE fiber optic cable has an LC connector at one end and an FC, SC, or LC connector
at the other end.
The SFP0 and FE/GE0 ports on an LMPT are used for one GE input. Therefore, the two
ports cannot be used simultaneously.
The SFP1 and FE/GE1 ports on the LMPT are used for another GE input. Therefore, the
two ports cannot be used simultaneously.
Remove the dustproof cap from the FE/GE optical port on the corresponding BBU board.
Remove the dustproof cap from the optical module.
Lower the puller on the optical module.
Insert the optical module into the FE/GE optical port.
Raise the puller on the optical module.
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Figure 11-27 and Figure
11 Installing the Cables
11-28.
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