Installing Transmission Cables - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
2.
Figure 12-14 Installing an RRU power cable
Step 3 Route the cable by referring to
the cable.
Step 4 Label the installed cables by referring to Attaching a Sign Plate Label.
----End

12.4.4 Installing Transmission Cables

When a DBS3900 is deployed indoors with DC power supply, transmission cables such as E1/
T1 cables, FE/GE cables, and FE/GE optical cables must be installed based on onsite
requirements.
Context
Installing an E1/T1 Cable
An E1/T1 cable transmits E1/T1 signals between a BBU and external transmission equipment
when a DBS3900 is deployed indoors.
Issue 06 (2011-09-15)
Connect the blue and black (or brown) wires at the other end to the wiring terminals labeled
NEG(-) and RTN(+) in the cabling cavity of the RRU respectively.
NOTE
Install the transmission cables based on the connections of transmission cables. For details, see the
BBU3900 Hardware DescriptionTransmission Cable Connections.
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Copyright © Huawei Technologies Co., Ltd.
12 Indoor Scenario with DC Power Supply (BBU Installed in
12.4.1 Cabling Requirements, and then use cable ties to bind
a 19-Inch Rack)
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