Darfon B09ULF - Page 11

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1.5.2 Status display description
NO. Description Function
1 SOC battery power
2 Alarm Fault indicator
3 Run Running light
1.5.3 Port description
Name Port SN Explain Description
RS485
communication
interface
RJ11-6P6C
1 RS485B
RS485 communication line
B
2 RS485A
RS485 communication line
A
3 RS485BR
RS485 communication line
B (inside set 120Ω resistor
matching)
4-5 NC Hanging
6 GND
RS485 communication
signal ground
CAN
communication
RJ45-8P8C
1 CANL CAN communication line L
2 CANH CAN communication line H
3 CANLR
CAN communication line L
(built-in 120Ω resistor
matching)
4-5 NC Hanging
6 GND
CAN communication
signal ground
7-8 NC Hanging