- Connector 1: Floor level indicator (Binary 1)
- Connector 2: Floor level indicator (Binary 2)
- Connector 3: Floor level indicator (Binary 4)
- Connector 4: Floor level indicator (Binary 8)
- Connector 5: Speak pictogram
- Connector 6: Listen pictogram
- Connector 7: Floor level arrow indicator up
- Connector 8: Floor level arrow indicator down
- Connector 9: Overweight
- Connector 10: Doors blocked
- Connector 11: Opening doors
- Connector 12: Closing doors
- Connector 13: Inspection
- Connector 14: Out of service