DB-1SD Aiphone Intercom

DB system can have up to 5 stations per door call button and internal communication can be hands free or push-to-talk.

• 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