Installing Transmission Cables - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
Step 4 Label the installed cables by referring to Attaching a Sign Plate Label.
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11.4.4 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.
Prerequisite
Before soldering the connectors to the E1/T1 cable, ensure that both ends of the E1 cable are
disconnected from any devices. In addition, all the connectors are soldered to the E1 cable during
the same session.
Procedure
Step 1 Link the DB26 male connector of the E1/T1 cable to the port labeled E1/T1 on the UTRP,
GTMU, or WMPT, as shown in
Figure 11-18
Step 2 Route the cables by referring to
the cables.
Step 3 Label the installed cables by referring to Attaching an L-Shaped Label.
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Issue 06 (2011-09-15)
NOTE
Install the transmission cables based on the connections of transmission cables. For details, see the
BBU3900 Hardware DescriptionTransmission Cable Connections.
WARNING
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11 Indoor Scenario with DC Power Supply (BBU Installed
Figure 11-18.
11.4.1 Cabling Requirements, and then use cable ties to bind
on a Wall)
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