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Pinouts

Updated on Mar 13, 2026

Lemo Socket Connections

5 pin Lemo

Connector 1 - CAN/ POWER IN (Lemo 5 PIN)

PINI/OFunction
1I/ODirect connection to Connector 2 pin 1
2I/ODirect connection to Connector 2 pin 2
3I/OCAN High
4I/OCAN Low
5O+12 V Power
ChassisGround

Connector 2 - CAN/ POWER OUT (Lemo 5 PIN)

PINI/OFunction
1I/ODirect connection to Connector 1 pin 1
2I/ODirect connection to Connector 1 pin 2
3I/OCAN High
4I/OCAN Low
5O+12 V Power
ChassisGround

Connector 3 - RS232 Serial(Lemo 5 PIN)

PINI/OFunction
1OTxD, Serial Data Transmit
2IRxD, Serial Data Receive
3-NC
4-NC
5O+12 V Power
ChassisGround

Connector 4 - Vehicle CAN Bus (Lemo 5 PIN)

PINI/OFunction
1-NC
2-NC
3I/OCAN High
4I/OCAN Low
5I+12 V Power
ChassisGround