Special OrderThe DB-1MD
hands-free master features a call tone volume control with mute
indicator, receive volume control, All Call button, Talk button, and Off
button. It connects via 2 wires to the DA series door station. Up to 4
sub stations can be added to this master and communication is possible
between the 5 total stations via the All Call button.
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, 70Ω 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 |
