| Number | X-pin, colour | Description |
|---|---|---|
| X18500 | 26-pin, black | Component connector Transceiver, telephone |
| X547 | 12-pin, natural | Component connector Transceiver, telephone |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Supply, terminal 30 | Fuse F79 |
| 2 | M | Ground | Ground point |
| 3 | E | Signal Eject box | Eject box |
| 4 | E | Signal Eject box | Eject box |
| 5 | Not used | ||
| 6 | E | Signal Eject box | Eject box |
| 7 | Not used | ||
| 8 | Not used | ||
| 9 | M | Shield | Microphone |
| 10 | E | Signal, microphone | Microphone |
| 11 | E | Signal Eject box | Eject box |
| 12 | Not used | ||
| 13 | E | Signal Eject box | Eject box |
| 14 | Not used | ||
| 15 | Not used | ||
| 16 | E | Signal Eject box | Eject box |
| 17 | E | Signal Eject box | Eject box |
| 18 | E | Signal Eject box | Eject box |
| 19 | E | Signal Emergency call button | Emergency call switch |
| 20 | E | Signal Emergency call button | Emergency call switch |
| 21 | E | Telephone ON signal | Compensator (mobile phone) |
| 22 | Not used | ||
| 23 | E | Signal, microphone | Microphone |
| 24 | E | Signal Eject box | Eject box |
| 25 | E | Signal Eject box | Eject box |
| 26 | E | Signal Eject box | Eject box |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Signal, automatic emergency call | Safety information module (SIM) |
| 2 | E | Signal Eject box | Eject box |
| 3 | Not used | ||
| 4 | Not used | ||
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | A/E | Signal, CAN-bus | Phoneboard |
| 8 | A/E | Signal, CAN-bus | Phoneboard |
| 9 | Not used | ||
| 10 | E | Signal Eject box | Eject box |
| 11 | Not used | ||
| 12 | Not used | ||