Huawei DBS3900 Installation Manual page 212

DBS3900 (Ver.B)
Installation Guide
Step 2 Route the cables by referring to
the cables.
Step 3 Label the installed cables by referring to Attaching an L-Shaped Label.
----End
Installing the E1/T1 Cable
This section describes the procedure and precautions to be taken for installing an E1/T1 cable.
Prerequisite
Ensure that both ends of the E1 cable are disconnected from any devices. Then, weld connectors
to the bare wires at one end of the E1 cable during the same session.
Context
Route the E1/T1 cable as follows:
l
l
Procedure
Step 1 Connect one end of the E1/T1 cable to the OUTSIDE port on the UELP, as shown in
7-71
For details about how to connect the E1/T1 cable, see Transmission Cable Connections.
Issue 06 (2011-09-15)
Figure 7-70 Installing an E1/T1 surge protection transfer cable
If a new base station supports not more than eight E1s, route the ends of the E1/T1 cables
connected to the SLPU along the right of the cabinet.
If a new base station supports more than eight E1s, route the ends of other E1/T1 cables
connected to the SLPU along the left of the cabinet.
NOTE
The descriptions about the installation positions and routes of the E1/T1 cables in the -48 V DC cabinet
and in the APM30H are the same. For details, see
or Figure 7-72.
NOTE
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7 Outdoor Scenario with DC Power Supply (BBU Installed
7.5.1 Cabling Requirements, and then use cable ties to bind
Figure 7-71
in a TMC11H)
or Figure 7-72.
Figure
199