120
1
2
3
4
5
6
7
8
9
Configuring the interface cables
Cable type A
Female
connector to PC,
9-pole
Signal cables
to the solar inverter
on X400
TX
RX
GND
1
2
3
4
5
6
7
8
9
Cable type B
Connector
to modem,
9-pole
Signal cables
to solar inverter
on X400
RX
TX
GND