Huawei SUN2000-15KTL-50KTL Series Quick Manual page 25

6
Connecting Signal Cables
Communications Port Signal Definitions
Before Replacement-RJ45
Network Port
No. Color
1 White and
orange
4 Blue
2 Orange
5 White and blue
– –
– –
Before Replacement-
Network Port
Before Replacement-
Terminal Block
Before Replacement-
Terminal Block
Function No.
RS485A 5
RS485A 6
RS485B 7
RS485B 8
– –
– –
SUN2000-(15KTL-50KTL)-M3 Series
(COM Port)
Function No. Definition Function
RS485A IN 1 485A1-1
RS485A OUT 2 485A1-2
RS485B IN 3 485B1-1
RS485B OUT 4 485B1-2
– 5 PE
– 6 PE
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.
24
RS485 differential
signal +
RS485 differential
signal +
RS485 differential
signal –
RS485 differential
signal –
Shield layer
grounding
Shield layer
grounding
After
Replacement