Features

Used with the DA series door stations
Up to 5 stations per door call button
All Call between stations in same residence
Internal communication can be hands-free ( VOX) or push-to-talk ( PTT)
Door release powered by door station without the need of an additional transformer
Call tone volume control with mute indicator
Receive volume control
Optional Call Extension Sounder
Backlit directory at door
Simple two-wire connection for intercom and door release ( Door strike wires directly to door station)
1, 2, or 4-call door stations for individual or multi-tenant applications

Specifications

Power Source

15V AC - Use AC transformer PT-1211C, 120V

Communication

Hands-free ( VOX) or Push-to-Talk ( PTT)

Door Release

Contact rating: 9.5 ~ 20V AC, 70& resistance, or use EL-12S

Wiring

Door to master: 2-cond, master to sub masters 4-cond

Distance

Door to master: 360’ ( 22AWG) 1020’ ( 18AWG)
Master to farthest sub: 330'

Wire Type

Door to Master: Aiphone # 822202 or 871802
Master to Subs: Aiphone # 812205 or 871804