| Pin No. | Signal | Description |
| 1 | - | Reserved |
| 2 | CAN_L | CAN Bus Signal (dominant low) |
| 3 | CAN_GND | CAN ground |
| 4 | - | Reserved |
| 5 | CAN_SHLD | Optional shield |
| 6 | GND | Optional CAN ground |
| 7 | CAN_H | CAN Bus Signal (dominant high) |
| 8 | - | Reserved |
| 9 | CAN_V+ | Optional external voltage supply Vcc |
according CiA DS 102
RJ45 CAN Pin Assignment
| Pin No. | Signal | Description |
| 1 | CAN_H | CAN bus line (dominant high) |
| 2 | CAN_L | CAN bus line (dominant low) |
| 3 | CAN_GND | Ground / 0 V / V- |
| 4 | - | Reserved |
| 5 | - | Reserved |
| 6 | (CAN_SHLD) | Optional CAN Shield |
| 7 | CAN_GND | Ground / 0 V / V- |
| 8 | (CAN_V+) | Optional external voltage supply Vcc |
according CiA DRP 303-1
 |
 |
| Socket | Plug |
Header Plug/Socket Pin Assignment
| Pin No. | Signal | Description |
| 1 | - | Reserved |
| 2 | GND | Optional CAN ground |
| 3 | CAN_L | CAN bus line (dominant low) |
| 4 | CAN_H | CAN bus line (dominant high) |
| 5 | CAN_GND | CAN ground |
| 6 | - | Reserved |
| 7 | - | Reserved |
| 8 | (CAN_V+) | Optional external voltage supply Vcc |
| 9 | CAN_SHLD | Optional shield |
| 10 | - | Not connected |
