Appendix
b
Pin Assignment for the BBU Signal Cables
BBU alarm cable
Pin of the RJ45
Connector
X1.1
X1.2
X1.3
X1.6
X1.5
X1.4
X1.7
X1.8
Pin of the RJ45
Connector
X2.1
X2.2
X2.3
X2.6
X2.5
X2.4
X2.7
X2.8
55
Wire Color
White/orange
Orange
White/green
Green
White/blue
Blue
White/brown
Brown
Wire Type
Twisted pair
Twisted pair
Twisted pair
Twisted pair