# JST SUR Header ![[jst-can-pinout.svg]] | # | Function | | --- | -------- | | 1 | CAN High | | 2 | CAN Low | | 3 | Ground | | 4 | CAN High | | 5 | CAN Low | Pins 1, 4 and 3, 5 are connected internally and intended to allow a separate in and out path for the bus when using higher data rates. # DB9 Breakout ![[db9-can-pinout.svg]] | # | Function | | --- | ---------------------------- | | 1 | CAN Low Out | | 2 | CAN Low | | 3 | Ground | | 4 | N/C | | 5 | Shield (connected to ground) | | 6 | Ground (optional) | | 7 | CAN High | | 8 | CAN High Out | | 9 | N/C | # M12 Breakout ![[m12-a-can-pinout.svg]] | # | Function | | --- | ---------------------------- | | 1 | Shield (connected to ground) | | 2 | N/C | | 3 | Ground | | 4 | CAN High | | 5 | CAN Low |