User manual version V2.3
9
4. Connecting data collector and PV inverter
4.1 Data collector interface and connecting wire interface
No.
Serial No.
Function
A
RS485/422 interface
B
SIM card interface
C
Power adapter interface
D
Antenna interface
Pin NO.
RS485
RS422
1
NC
NC
2
NC
NC
3
NC
RX+
4
A
TX+
5
B
TX-
6
NC
RX-
7
GND
GND
8
GND
GND
Picture 3
Picture 4
Line sequence of T568B
1. orange with white
2. orange
3. green with white
4. blue
5. blue white white
6. green
7. brown with white
8. brown
RJ45 crystal head
