Installing The Corrugated Pipes Of Ac Power Cable; Pin Assignment For The Wires Of The Rru Alarm Cable (Dc) - Huawei RRU3908 Installation Manual

Appendix
d

Installing the corrugated pipes of AC power cable

e
Pin Assignment for the Wires of the RRU Alarm Cable ( DC )
DB15 Signal name of
connector DB15 connector
X1.2 SWITCH_INPUT0+
X1.3 GND
X1.6 SWITCH_INPUT1+
X1.7 GND
X1.10 RX485_TX-
X1.11 RX485_TX+
X1.13 RX485_RX-
X1.14 RX485_RX+
1. After the corrugated pipe is installed, wrap both ends of the power
cable with waterproof tapes by referring to the following figure.
2. Wrap the joint spirally upward, downward, and then upward again.
That is, the joint is wrapped by three layers of the tape. Ensure that two
adjacent layers overlap with each other about half the width of the tape.
Waterproof tapes
Corrugated pipes
Cord End
Terminal
X2
X3
X4
X5
X6
X7
X8
X9
36
Connector for corrugated pipes
Wire Wire Type
Color
White/blue Twisted pair
Blue
White/orange Twisted pair
Orange
White/ green Twisted pair
Green
White/ brown Twisted pair
Brown
Power system
Label
SWITCH_INPUT
0+
GND
SWITCH_INPUT
1+
GND
APM RX-
APM RX+
APM TX-
APM TX+