shows a two-hole OT terminal.
Figure 3-2
Two-hole OT terminal
3.3 RRU Power Cable
The RRU power cable is a -48 V DC shielded cable. It feeds -48 V DC power to an RRU. The
maximum length of the RRU power cable is 50 m (164.04 ft.).
Exterior
The cross-sectional areas of the RRU power cable is 6 mm
2
(0.0093 in.
2
). A tool-less female
connector (pressfit type) needs to be added to one end of the power cable and a corresponding
terminal needs to be added to the other end. The corresponding terminal is added to the bare
wire based on the requirements of the connector on the external power device, as shown in
.
Figure 3-3
RRU power cable
(1) -48 V DC power cable
(2) Shield layer
(3) Tool-less female connector
(pressfit type)
Pin Assignment
The DC power input cable is a 2-wire cable.
for the wires of a DC power input cable.
Table 3-2
Pin assignment for the wires of a DC power input cable (North American Standards)
Wire
Color
NEG(-)
Blue
RTN(+)
Black
RRU3942
Hardware Description
3 RRU Cables
Issue 02 (2012-06-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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