SolaX Power X1-EVC Manuel D'installation page 63

2) Communication with Meter:
3) Communication with Inverter:
For Inverter side:
Connect the other end of the communication cable to the COM or RS485 port of the inverter.
If eight-core communication cable is used:
Inverter
11
(To be continued)
COM port of the inverter
Inverter side (one example)
Inverter connector
(white)
<2.5 mm
Flat-head
0.4 N·m
EV-Charger
59