Huawei RRU3201 Installation Manual page 30

Reference
c
Pin Assignment of the RRU AISG Extension cable
Pin of the AISG
male connector
X1.1
X1.7
X1.3
X1.5
X1.6
d
Pin Assignment for the Wires of the RRU Alarm Cable
DB9 waterproof Pin Name
Connector
X1.2 SWITCH_INPUT0+
X1.4 GND
X1.7 SWITCH_INPUT1+
X1.4 GND
X1.6 RS485_TX-
X1.8 RS485_TX+
X1.3 RS485_RX-
X1.5 RS485_RX+
Pin of the AISG female
connector
X2.1
X2.7
X2.3
X2.5
X2.6
Wire Color
White/blue
Blue
White/orange
Orange
White/green
Green
White/brown
Brown
Wire Color
White/blue
Blue
White/orange
Orange
White/green
Green
White/brown
Brown
Wire Type
Twisted pair
Twisted pair
Twisted pair
Twisted pair
28
Wire Type Instruction
Twisted pair +12V
Twisted pair DC Return A
Twisted pair RS485 B
RS485 A
Twisted pair +24V
Cord End Label
Terminal
X2 SWITCH_INPUT0+
X3 GND
X4 SWITCH_INPUT1+
X5 GND
X6 APM RX-
X7 APM RX+
X8 APM TX-
X9 APM TX+