| Number | X-pin, colour | Description | 
|---|---|---|
| X3510 | 3-pin, Black | Plug connector Reading light switch | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | A | Signal, switch off consumer load | Connector, switch off consumer load | 
| 2 | Not used | ||
| 3 | E | Signal, switch off consumer load | Connector, switch off consumer load |