----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 lists the specifications of a PGND cable.
Table 14-1 Specifications of a PGND cable
Cable One End The Other End Description
PGND cable OT terminal (M6, 16
mm
2
)
OT terminal (M6, 16
mm
2
)
Green and yellow
Procedure
Step 1 Prepare the PGND cable and equi-potential cable.
1. Prepare the cable of proper length based on the actual cable route.
2. Add OT terminals to both ends of the cable. For details, see Assembling the OT Terminal
and the Power Cable.
Step 2 Install a PGND cable.
1. 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 Figure 14-31.
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
DBS3900 (Ver.B)
Installation Guide
14 Indoor Scenario with DC Power Supply (BBU Installed
Indoors and RRU Powered Outdoors)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
521
To Next Page
Loading...
Need help?
General
