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RRU3203
Installation Guide
The optical modules to be installed must match CPRI rates.
Context
A CPRI fiber optic cable transmits CPRI signals between a BBU and an RRU.
For details about CPRI fiber optic cable connections, see the descriptions of connections for the
CPRI fiber optic cable in the BBU3900 Hardware Description.
Procedure
Step 1 Lower the pullers of two optical modules, insert one optical module into the CPRI_W port on
the RRU and the other optical module into the CPRI port on the BBU, and then raise the pullers,
as shown in
Figure 8-18 Installing an optical module
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 fiber optic cable to the optical module on the RRU
side, as shown in
Issue 06 (2012-04-16)
CAUTION
Figure
8-18.
CAUTION
Figure
8-19.
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8 Installing RRU Cables
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