Step 4 Label the installed cables by referring to Attaching a Sign Plate Label.
----End
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
NOTE
Install the transmission cables based on the connections of transmission cables. For details, see the
BBU3900 Hardware DescriptionTransmission Cable Connections.
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
WARNING
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.
Figure 11-18
Step 2 Route the cables by referring to 11.4.1 Cabling Requirements, and then use cable ties to bind
the cables.
Step 3 Label the installed cables by referring to Attaching an L-Shaped Label.
----End
DBS3900 (Ver.B)
Installation Guide
11 Indoor Scenario with DC Power Supply (BBU Installed
on a Wall)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
388
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