Huawei BBU3900 - Figure 4-22 BBU Alarm Cable; Table 4-18 Pin Assignment for the Wires of the BBU Alarm Cable

Figure 4-22 BBU alarm cable
(1) RJ-45 connector
Pin Assignment
Table 4-18 describes the pin assignment for the wires of the BBU alarm cable.
Table 4-18 Pin assignment for the wires of the BBU alarm cable
BBU
Alarm
Port
Pin on the
RJ45
Connecto
r at One
End
Wire
Color
Wire
Type
Pin on the
RJ45
Connecto
r at the
Other
End
Description
EXT-
ALM1
X1.1 White and
orange
Twisted
pair
X2.1 Boolean value input 4+
X1.2 Orange X2.2 Boolean value input 4-
(GND)
X1.3 White and
green
Twisted
pair
X2.3 Boolean value input 5+
X1.6 Green X2.6 Boolean value input 5-
(GND)
X1.5 White and
blue
Twisted
pair
X2.5 Boolean value input 6+
X1.4 Blue X2.4 Boolean value input 6-
(GND)
X1.7 White and
brown
Twisted
pair
X2.7 Boolean value input 7+
X1.8 Brown X2.8 Boolean value input 7-
(GND)
EXT-
ALM0
X1.1 White and
orange
Twisted
pair
X2.1 Boolean value input 0+
X1.2 Orange X2.2 Boolean value input 0-
(GND)
BBU3900
Hardware Description 4 BBU3900 Cables
Issue 11 (2010-11-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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