Huawei DBS3900 Installation Manual page 145

DBS3900 (Ver.B)
Installation Guide
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.
Procedure
Step 1 Install an optical module, as shown in
1.
2.
3.
Figure 6-129 Installing an optical module
Step 2 Install an CPRI optical cable, as shown in
1.
2.
Issue 06 (2011-09-15)
CAUTION
Turn the puller on the optical module outwards.
Insert the optical module into the CPRI port on the GTMU, WBBPb, WBBPd, or LBBP,
and then insert the optical module of the same type
an RRU.
NOTE
(1) The optical modules with the same label are of the same type.
Turn the puller on the optical module inwards.
NOTE
For details about the connections of the CPRI optical cables, see the BBU3900 Hardware DescriptionCPRI
Cable Connections.
Remove the dustproof caps from the connectors of the optical cable.
Insert the DLC connectors labeled 2A and 2B at one end of the CPRI optical cable into the
optical module on the GTMU, WBBPb, WBBPd, or LBBP, and then insert the DLC
connectors labeled 1A and 1B at the other end into the optical module on the RRU.
CAUTION
If both ends of the optical cable are the LC connectors, the TX and RX ports on the BBU
are respectively connected to the TX and RX ports on the RRU.
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6 Outdoor Scenario with AC Power Supply (BBU Installed
Figure 6-129.
(1)
into the CPRI_W or CPRI0 port on
Figure 6-130.
in an APM30H)
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