Table 4-5 Pin Assignment For The Wires Of The 75-Ohm E1 Coaxial Cable - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description
Cable
Pin Assignment
Table 4-5

Table 4-5 Pin assignment for the wires of the 75-ohm E1 coaxial cable

Pins of the DB26
Male Connector
X1.1
X1.2
X1.3
X1.4
X1.5
X1.6
X1.7
X1.8
X1.19
X1.20
X1.21
X1.22
X1.23
X1.24
X1.25
X1.26
Issue 11 (2010-11-10)
and Table 4-6 describe the pin assignment for the wires of the E1/T1 cable.
NOTE
In Table 4-5, "Tip" refers to a wire in the E1 coaxial cable, and "Ring" refers to an external conductor of
the cable.
Wire Type
Tip
Ring
Tip
Ring
Tip
Ring
Tip
Ring
Tip
Ring
Tip
Ring
Tip
Ring
Tip
Ring
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Copyright © Huawei Technologies Co., Ltd.
One End
Coaxial Series No.
1
3
5
7
2
4
6
8
4 BBU3900 Cables
The other End
BNC male connector
SMZ male connector
SMZ female connector
Cable Label
RX1+
RX1-
RX2+
RX2-
RX3+
RX3-
RX4+
RX4-
TX1+
TX1-
TX2+
TX2-
TX3+
TX3-
TX4+
TX4-
4-9