Pins of the DB26
Male Connector
Wire Color
Wire Type
Cable Labels
X.7
Brown
Twisted pair
RX4+
X.8
White
RX4-
X.19
Gray
Twisted pair
TX1+
X.20
White
TX1-
X.21
Blue
Twisted pair
TX2+
X.22
Red
TX2-
X.23
Orange
Twisted pair
TX3+
X.24
Red
TX3-
X.25
Green
Twisted pair
TX4+
X.26
Red
TX4-
5.6.2 FE/GE Cable
The FE/GE cable connects the BBU to the transmission device through routing devices and
transmits baseband signals.
NOTE
The maximum length of the FE/GE cable for remote connection is 100 m.
Exterior
The FE/GE cable is a shielded straight-through cable. It has an RJ-45 connector at each end, as
shown in
.
Figure 5-102
FE/GE cable
(1) RJ-45 connector
Pin Assignment
describes the pin assignment for the wires of the FE/GE cable.
BTS3900
Hardware Description
5 BTS3900 Cables
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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