Huawei SUN2000-17KTL - Overview; 2.1 Introduction

10
Communications Port Signal Definitions
Before Replacement
-RJ45
Network Port
SUN2000
-(15KTL-50KTL)-M3 Series (COM Port)
No.
Color
Definition
No.
Definition
Function
1
White and orange
RS485A
1
485A1
-1
RS485 differential signal +
4
Blue
RS485A
2
485A1
-2
RS485 differential signal +
2
Orange
RS485B
3
485B1
-1
RS485 differential signal
–
5
White and blue
RS485B
4
485B1
-2
RS485 differential signal
–
–
–
–
5
PE
Shield layer grounding
–
–
–
6
PE
Shield layer grounding
Before
Replacement
After
Replacement
The figures show the RJ45 connector when the surface without the fastener faces upwards. If
the colors and functions of the wires are different, connect the wires based on their functions.
6
Connecting Signal Cables