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