Huawei RRU3942, Hardware Description

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Cable One End The Other End
Connector Installation
Position Connector Installation
Position
3.7 Inter-
RRU RF
Cable DB2W2
connector RX_IN/OUT
port on the
RRU DB2W2
connector RX_IN/OUT port
on the RRU
3.8 RRU
AISG Multi-
Wire Cable Waterproofed
DB9 male
connector RET port on
the RRU Standard AISG
female connector Standard AISG
male connector
on the RCU or on
the AISG
extension cable
3.9 RRU
AISG
Extension
Cable Standard AISG
male connector Standard AISG
female
connector on
the AISG
multi-wire
cable Standard AISG
female connector Standard AISG
male connector
on the RCU
3.2 RRU PGND Cable
An RRU PGND cable connects an RRU and a ground bar, ensuring the proper grounding of the
RRU. The maximum length of the RRU PGND cable is 30 m (98.42 ft.).
Exterior
An RRU PGND cable is green or green and yellow with a cross-sectional area of 16 mm
2
(0.025
in.
2
). This cable has an OT terminal at each end. Figure 3-1 shows an RRU PGND cable.
Figure 3-1 PGND cable
(1) OT terminal (M6, 16 mm
2
or 0.025 in.
2
) (2) OT terminal (M8, 16 mm
2
or 0.025 in.
2
)
NOTE
l If the customer prepares the PGND cable, a copper-core cable with a cross-sectional area of 16 mm
2
(0.025 in.
2
) or larger is recommended.
l One OT terminal must be added to each end of the PGND cable onsite.
l You can determine the color of the cable and whether to use corresponding two-hole OT terminals
based on local regulations.
RRU3942
Hardware Description
3 RRU Cables
Issue 02 (2012-06-29) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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