| Power Source | 12~16V AC - Use PT-1210N 12~24V DC, 200mA |
| Communication | When called by tone, press TALK to reply, press door release button to release door and press OFF for standby |
| Door Release | Contact rating: 30V AC or DC, 1A |
| Wiring | Door/Sub to master: 2-cond., overall shield |
| Distance | Door/Sub to farthest master: 650’(22AWG) 1,600’(18AWG) |
| Wire Type | Aiphone #822202 or Aiphone# 821802 |