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6
Connecting Signal Cables
Communications Port Signal Definitions
Before Replacement-RJ45 Network Port SUN2000-(15KTL-50KTL)-M3 Series (COM Port)
No.
Color
1
White and orange RS485A
4
Blue
2
Orange
5
White and blue
–
–
–
–
Before
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.
Definition
No.
1
RS485A
2
RS485B
3
RS485B
4
5
–
6
–
Definition
485A1-1
485A1-2
485B1-1
485B1-2
PE
PE
10
Function
RS485 differential signal +
RS485 differential signal +
RS485 differential signal –
RS485 differential signal –
Shield layer grounding
Shield layer grounding
After
Replacement
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