Power source : 12-16V AC - Use AC transformer PT-1210N; 12-24V DC, 200mA
Communication : Door calls in with 4 or 2-tone chime to all stations, chime can be cut at sub, pick up any handset to reply, press CALL to call other stations with pre-tone and voice
Door Release : Contact rating: 24V AC/DC, 500mA
Wiring : Door to master: 2-cond., overall shield Master to subs: 6-cond., overall shield
Distance : Door to master: 500’(22AWG) 1,180’(18AWG) Master to farthest sub: 250’(22AWG) 590’(18AWG)
Wire Type : Door to master: Aiphone #822202 Master to farthest sub: Aiphone #822206