Figure 6-128 Installing monitoring signal cables in a scenario of two APM30Hs+four
IBBS200D/IBBS200T+one TMC
Step 6 Route the cable by referring to 6.5.1 Cabling Requirements, and then use cable ties to bind the
cable.
Step 7 Label the installed cables. For details, see Attaching an L-Shaped Label.
Step 8 Run each cable that leaves the cabinet in the PVC corrugated pipe, and then tie the pipe to the
cable hole in the cabinet.
----End
6.5.6 Installing a CPRI Optical Cable
A CPRI optical cable transmits CPRI signals between a BBU and an RRU.
Context
l The single-mode optical module is labeled "SM" and multi-mode optical module is labeled
"MM".
l If the puller of an optical module is blue, the module is a single-mode optical module. If
the puller of an optical module is black or grey, the module is a multi-mode optical module.
l The optical module to be installed must have a matching rate with the corresponding CPRI
port.
DBS3900 (Ver.B)
Installation Guide
6 Outdoor Scenario with AC Power Supply (BBU Installed
in an APM30H)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
131
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