Huawei RRU3971, Руководство по установке

Страница: 120 / 134

NOTICE
The optical modules to be installed must match CPRI rates.
Context
l A CPRI optical cable transmits CPRI signals between a BBU and an RRU.
Procedure
Step 1
Lower the pullers of two optical modules, insert one optical module into the CPRI0 port on the
RRU and the other optical module into the CPRI port on the BBU, and raise the pullers, as shown
in
Figure 8-27 .
Figure 8-27 Installing an optical module
NOTICE
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.
Step 2 Connect the end labeled 1A and 1B of the optical cable to the optical module on the RRU side,
as shown in
Figure 8-28 .
8 Installing RRU Cables
Issue () Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
111