Installing A Cpri Fiber Optic Cable - Huawei DBS3900 Installation Manual

RRU3260
Installation Guide
Step 3 Route the cable according to the instructions in
cable tie to bind the cable.
Step 4 Label the installed cable according to the instructions in Attaching a Cable-Tying Label.
----End

9.11 Installing a CPRI Fiber Optic Cable

This section describes the procedure for installing a CPRI fiber optic cable.
Prerequisites
Before the installation, single-mode optical modules can be distinguished from multi-mode
optical modules in either of the following ways:


The optical modules to be installed must match CPRI rates.
Context


Procedure
Step 1 Lower the pullers of two optical modules, insert one optical module into the CPRI0 port on
the RU and the other optical module into the CPRI port on the BBU, and raise the pullers, as
shown in
Issue 05 (2014-06-30)
SM and MM labels on an optical module: SM indicates a single-mode optical module,
and MM indicates a multi-mode optical module.
Color of the puller on an optical module: Blue indicates a single-mode optical module,
and black or gray indicates a multi-mode optical module.
A CPRI fiber optic cable transmits CPRI signals between a BBU and an RU.
For details about CPRI fiber optic cable connections, see section "CPRI Cable
Connections" in the BBU3900 Hardware Description or DBS3900 Hardware
Description.
Figure 9-24.
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9.1 Cabling Requirements, and then use a
9 Installing RU Cables
103