ZDD-1 Connections
From Zenitel Wiki
| Connections |
| Item | Description | Comment |
| 1 | Mounting hook | 4x mounting hooks for attaching intercom to backbox |
| 2 | 2x LAN ports | 10/100/1000Mbps RJ-45 ports connecting to Ethernet. PoE+/PoE++ is supported. Embedded network switch. |
| 3 | USB-C | For future use. Max. current 900 mA. |
| 4 | Relay | Double Throw relay contact with 60W switching power. COM, NO, NC contacts are provided. Max: SELV, 2A, 60W. |
| 5 | I/O interface | 3 general purpose I/Os. Each I/O can be configured either as an input or 12mA LED driver output |
