Rru Pgnd Cable - Huawei DBS3900 Hardware Description

DBS3900
RRU3252/RRU3256 Hardware Description
Cable
3.4 RRU
Alarm Cable
(optional)
3.9 RRU AISG
Multi-Wire
Cable
(optional)
3.10 RRU
AISG
Extension
Cable
(optional)

3.2 RRU PGND Cable

An RRU PGND cable connects an RRU and a ground bar, ensuring the proper grounding of the
RRU.
Exterior
An RRU PGND cable is green or green and yellow, both ends of the cable are OT terminals. If
the customer prepares the PGND cable, a copper-core cable with a minimum cross-sectional
area of 16 mm
Figure 3-1 PGND cable
(1) OT terminal (M6)
OT terminals must be added to both ends of a PGND cable onsite.
Issue Draft A (2012-11-30)
One End
Connector
Waterproofed
DB9 male
connector
Waterproofed
DB9 male
connector
Standard AISG
male connector
2 2
(0.025 in. ) is recommended.
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The Other End
Connected Connector
to...
RET/ Cord end
EXT_ALM terminal
port on the
RRU
RET/ Standard AISG
EXT_ALM female connector
port on the
RRU
Standard AISG Standard AISG
female female connector
connector on
the AISG multi-
wire cable
Figure 3-1 shows a PGND cable.
(2) OT terminal (M8)
3 RRU Cables
Connected to...
External alarm
device
Standard AISG
male connector
on the remote
control unit
(RCU) or on the
AISG extension
cable
Standard AISG
male connector
on the RCU
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