Pinouts

Updated on Mar 4, 2026

Analogue Input Connector #

PIN		I/O		Function
1		I		Isolated Channel 4 - (1.8 M Ohms input impedance)
2		I		Isolated Channel 4 + (1.8 M Ohms input impedance)
3		I		Isolated Channel 3 - (1.8 M Ohms input impedance)
4		I		Isolated Channel 3 + (1.8 M Ohms input impedance)
5		I		Isolated Channel 2 - (1.8 M Ohms input impedance)
6		I		Isolated Channel 2 + (1.8 M Ohms input impedance)
7		I		Isolated Channel 1 - (1.8 M Ohms input impedance)
8		I		Isolated Channel 1 + (1.8 M Ohms input impedance)
9		O		Vbatt (equal to input voltage - 300 mA)
10		O		5 V Out (Isolated 5 V ± 2% - 120 mA)
11		O		Isolated Ground
12		O		1PPS Output
13		O		Analogue TX 232
14		I		Analogue RX 232
15		O		Ground

PIN		I/O		Function
1		I		Isolated Channel 4 - (1.8 M Ohms input impedance)
2		I		Isolated Channel 4 + (1.8 M Ohms input impedance)
3		I		Isolated Channel 3 - (1.8 M Ohms input impedance)
4		I		Isolated Channel 3 + (1.8 M Ohms input impedance)
5		I		Isolated Channel 2 - (1.8 M Ohms input impedance)
6		I		Isolated Channel 2 + (1.8 M Ohms input impedance)
7		I		Isolated Channel 1 - (1.8 M Ohms input impedance)
8		I		Isolated Channel 1 + (1.8 M Ohms input impedance)
9		O		Vbatt (equal to input voltage - 300 mA)
10		O		5 V Out (Isolated 5 V ± 2% - 120 mA)
11		O		Isolated Ground
12		O		1PPS Output
13		O		Analogue TX 232
14		I		Analogue RX 232
15		O		Ground

POWER (2-pin Lemo) #

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PIN		I/O		Function
1		I		Power +
2		I		Ground

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PIN		I/O		Function
1		I		Power +
2		I		Ground

DGPS (5-pin Lemo) #

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PIN		I/O		Function
1		O		RS232 Tx
2		I		RS232 Rx
3		I/O		CAN High
4		I/O		CAN Low
5		O		+ V Power (Same as Power +)

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PIN		I/O		Function
1		O		RS232 Tx
2		I		RS232 Rx
3		I/O		CAN High
4		I/O		CAN Low
5		O		+ V Power (Same as Power +)

IMU (6-pin Lemo) #

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PIN		I/O		Function
1		I		IMU Serial Rx
2		O		IMU Serial Tx
3		O		NC
4		O		NC
5		O		Power
6		O		PPS

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PIN		I/O		Function
1		I		IMU Serial Rx
2		O		IMU Serial Tx
3		O		NC
4		O		NC
5		O		Power
6		O		PPS

D IN (3-pin Lemo) #

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PIN		I/O		Function
1		I		Ground
2		I		Digital Input 2 - Logging on/off (0 to 5 V - 14 V tolerant)
3		I		Digital Input 1 - Brake Trigger (0 to 5 V - 14 V tolerant)

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PIN		I/O		Function
1		I		Ground
2		I		Digital Input 2 - Logging on/off (0 to 5 V - 14 V tolerant)
3		I		Digital Input 1 - Brake Trigger (0 to 5 V - 14 V tolerant)

AD OUT (6-pin Lemo) #

PIN		I/O		Function
1		O		Digital Output 1
2		O		Analogue Output 1
3		I		Isolated Analogue Ground 1
4		O		Analogue Output 2
5		I		Isolated Analogue Ground 2
6		O		Digital Output 2

PIN		I/O		Function
1		O		Digital Output 1
2		O		Analogue Output 1
3		I		Isolated Analogue Ground 1
4		O		Analogue Output 2
5		I		Isolated Analogue Ground 2
6		O		Digital Output 2

RL CAN (5-pin Lemo) #

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PIN		I/O		Function
1		O		NC
2		I		NC
3		I/O		CAN High
4		I/O		CAN Low
5		O		+ V Power (Same as Power +)

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PIN		I/O		Function
1		O		NC
2		I		NC
3		I/O		CAN High
4		I/O		CAN Low
5		O		+ V Power (Same as Power +)

CAN (5-pin Lemo) #

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PIN		I/O		Function
1		O		RS232 Tx - PORT A  (± 12 V)
2		I		RS232 Rx - PORT A (± 12 V)
3		I/O		CAN High - PORT B
4		I/O		CAN Low - PORT B
5		O		+V Power (Same as Power +)

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PIN		I/O		Function
1		O		RS232 Tx - PORT A  (± 12 V)
2		I		RS232 Rx - PORT A (± 12 V)
3		I/O		CAN High - PORT B
4		I/O		CAN Low - PORT B
5		O		+V Power (Same as Power +)

CANFD 1 (5-pin Lemo) #

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PIN		I/O		Function
1		I		FD Serial 1 Tx
2		O		FD Serial 1 Rx
3		I		CAN FD1 High
4		I		CAN FD1 Low
5		O		+V Power (Same as Power +)

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PIN		I/O		Function
1		I		FD Serial 1 Tx
2		O		FD Serial 1 Rx
3		I		CAN FD1 High
4		I		CAN FD1 Low
5		O		+V Power (Same as Power +)

CANFD 2 (5-pin Lemo) #

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PIN		I/O		Function
1		I		FD Serial 2 Tx
2		O		FD Serial 2 Rx
3		I		CAN FD2 High
4		I		CAN FD2 Low
5		O		+V Power (Same as Power +)+V Power (Same as Power +)

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PIN		I/O		Function
1		I		FD Serial 2 Tx
2		O		FD Serial 2 Rx
3		I		CAN FD2 High
4		I		CAN FD2 Low
5		O		+V Power (Same as Power +)+V Power (Same as Power +)

SERIAL (5-way Lemo) #

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PIN		I/O		Function
1		O		RS232 Tx  (± 12 V)
2		I		RS232 Rx (± 12 V)
3		I/O		CAN High
4		I/O		CAN Low
5		O		+V Power (Same as Power +)

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PIN		I/O		Function
1		O		RS232 Tx  (± 12 V)
2		I		RS232 Rx (± 12 V)
3		I/O		CAN High
4		I/O		CAN Low
5		O		+V Power (Same as Power +)

Antenna A #

PIN		I/O		Function
Center		N/A		RF Signal/Power for active antenna
Chassis		N/A		Ground

PIN		I/O		Function
Center		N/A		RF Signal/Power for active antenna
Chassis		N/A		Ground

Antenna B #

PIN		I/O		Function
Center		N/A		RF Signal/Power for active antenna
Chassis		N/A		Ground

PIN		I/O		Function
Center		N/A		RF Signal/Power for active antenna
Chassis		N/A		Ground