Pin of the USB
Connector
Wire Color
Wire Type
Pin of the Ethernet
Connector
X1.6
Orange
Twisted pair
X2.3
X1.5
White
X2.6
X1.Shell
-
Shield
X2.Shell
7.9 RRU RF Jumper
An RRU RF jumper connects an RRU and the feeder of the antenna system to transmit signals
between the base station and antenna system. A fixed-length RF jumper used by an RRU is 2 m
(6.56 ft), 3 m (9.84 ft), 4 m (13.12 ft), 6 m (19.68 ft), or 10 m (32.81 ft) long. A variable-length
RF jumper used by an RRU has a maximum length of 10 m (32.81 ft).
Exterior
shows an RRU RF jumper.
Figure 7-48
RRU RF jumper
(1) DIN straight male connector
Installation Position
describes the installation position of an RRU RF jumper.
Table 7-41
Installation position of an RRU RF jumper
One End
The Other End
ANT_TX/RXA and ANT_RXB ports on the
RRU
Antenna feeder
7.10 RRU AISG Multi-Wire Cable
An RRU AISG multi-wire cable is 5 m (16.4 ft.) long. It connects an RRU and a remote control
unit (RCU) to transmit control signals from a base station to the RET antenna. When the RRU
is connected to the RET antenna, an AISG multi-wire cable transmits RS485 signals.
BTS3900C (Ver.C)
Hardware Description
7 BTS3900C Cables
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
172