Figure 3-10 Alarm Cable; Table 3-12 Pin Assignment For The Wires Of The Rru Alarm Cable - Huawei RRU3908 V2 Hardware Description

3 RRU Cables
Exterior
The alarm cable has a DB15 connector at one end and eight cord-end terminals at the other end.
Figure 3-10

Figure 3-10 Alarm cable

Pin Assignment
Table 3-12

Table 3-12 Pin assignment for the wires of the RRU alarm cable

RRU
Alarm
Port
Dry
contact
RS485
3-12
shows the alarm cable.
describes the pin assignment for the wires of the alarm cable.
Pin of the Wire
DB15 Color
Connecto
r
X1.2 White/blue
X1.3 Blue
X1.6 White/
orange
X1.7 Orange
X1.10 White/
green
X1.11 Green
X1.13 White/
brown
X1.14 Brown
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Copyright © Huawei Technologies Co., Ltd.
Wire Cord End
Type Terminal
Twisted X2
pair
X3
Twisted X4
pair
X5
Twisted X6
pair
X7
Twisted X8
pair
X9
RRU3908 V2
Hardware Description
Description
SWITCH_INPUT0+
SWITCH_INPUT0-
(GND)
SWITCH_INPUT1+
SWITCH_INPUT1-
(GND)
APM RX-
APM RX+
APM TX-
APM TX+
Issue 02 (2010-10-25)