Installing Pgnd Cables - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
----End

14.3 Installing PGND Cables

A PGND cable connects the ground bar in a cabinet to an external ground bar, ensuring proper
grounding of the cabinet.
Prerequisite
The tools, such as a Phillips screwdriver, a cable cutter, and a multi-purpose crimping tool, are
ready.
Context
Table 14-1
Table 14-1 Specifications of a PGND cable
Cable
PGND cable
Procedure
Step 1 Prepare the PGND cable and equi-potential cable.
1.
2.
Step 2 Install a PGND cable.
1.
Issue 06 (2011-09-15)
lists the specifications of a PGND cable.
One End
OT terminal (M6, 16
mm
Prepare the cable of proper length based on the actual cable route.
Add OT terminals to both ends of the cable. For details, see Assembling the OT Terminal
and the Power Cable.
Connect one end of the PGND cable to the ground bar on the inner side of the cabinet under
the APM30H, use a spring washer and a bolt to secure the OT terminal on the cable, and
then connect the other end to the external ground bar, as shown in
NOTE
When installing the PGND cable, keep the crimping tube of the OT terminal in the direction shown in
Figure 14-30.
Figure 14-30 Installing the OT terminal in the correct manner
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14 Indoor Scenario with DC Power Supply (BBU Installed
The Other End
OT terminal (M6, 16
2
) mm
Indoors and RRU Powered Outdoors)
Description
Green and yellow
2
)
Figure 14-31.
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