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Connecting Battery Communication Cables
• TO CREATE A LONGER COMMUNICATION CABLE
1
C9
×2
• Connectors are required at both ends of the battery communication cable.
• It is recommended to use COM1 for communication between the inverter and battery, COM2 for
battery parallel communication.
• It is a MUST to install a termination resistor to the unused B-COM terminal of the battery
junction box, otherwise it would cause the system to malfunction.
• As for battery junction boxes already have termination resistors installed as delivered, remove
the termination resistor to use the B-COM terminal.
C7
2
Both ends of the network cable use the T568B wiring standard.
10-20 mm
Battery communication port
(B-COM)
A17
1
2
3
4
5
6
10-20 mm
7
8
en
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