urmet domus IPerCom 3.1.0 System Technical Manual For The Installer page 720

Structure
8. Proximity key sensor
9. Two colour LED (red/green)
10. Module connection cable connector (IN)
11. Module connection cable connector (OUT)
12. Configuration dip switches used for:
13. Terminal board
14. Jumper for power from Ipercom system
The keys configuration must be configured through the configurator, refer to the following paragraphs:
Residents and Not residents.
720
1. indicating LED state: ON enable (default)
2. Do not change the arrangement of this dip switch
3. RS485 BUS: IPerCom mode
MT124-032N