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Certus Reference Manual • Specifications
Note: Take care to accurately identify Pin 1 (dot / + symbols) when making cables / connections.
Always check the print on the PCB to be sure.
Table 19: Certus OEM Breakout Board
Table 20:
Connection
Power Input 9-30 V
5 V
Primary
PRI
Auxiliary
AUX
1PPS
CAN
GPIO
v2.4
Pin Function
1 / + Supply Voltage
2 / - Ground
1 Optional 5 V input, see
2 Ground
1 Ground
2 Primary UART transmit
3 Primary UART receive
1 Ground
2 Primary UART transmit
3 Primary UART receive
1 Ground
2 1PPS
3 No Connection
1 Ground
2 CANL
3 CANH
1 Ground
2 GPIO1
3 GPIO2
Page 25
6.4 Power Supply
2024-12-17