Communication ports for battery connection : Service Center
4: Battery connection negative. 5: Power on switch . Pin definition for CAN communication: LG Energy Solutions: Resu 10H Prime . Cable connections: ... If the inverter uses RS485, connect the RS485 (A+, B-) lines to Terminals 3 and 4. If inverter uses the CAN method, connect the CAN (high, low) lines to Terminals 5 and 6.
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