DA Series: Two-Wire Door System

This door entry system with handset communication has built-in release contacts at the door.


  • Door release powered by door station without the need of an additional transformer
  • Service button to control an external device
  • Call tone volume control with mute indicator
  • Optional Call Extension Sounder
  • Designed for EL-12S door strike only
  • Backlit directory
  • 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
  • Vandal resistant door stations
  • Extra function button on tenant station can be used to activate light at entry ( Requires additional wiring)
  • Call extension sounder to hear call-in at remote location


Power Source

15V AC – Use AC transformer 16VAC1500/5, 16V


Press and hold down button to call

Door Release

Contact rating: 16V AC, 20Ω min. resistance, or use EL-12S only


Door to master: 2-cond., overall shield

N/O or N/C, programmable per station 24V AC/DC (500mA max.)
Wiring 2 wires, throughout system: AC trans – Master – Door – Door rlse.
Distance AC Trans to Door rlse.: 110m(0.65mmØ), 200m(0.8mmØ), 310m(1.0mmØ)
AC Trans to master: 55m(0.65mmØ), 100m(0.8mmØ), 155m(1.0mmØ)
Wire Type

For distance over 200m, please call Aiphone Pty Ltd.
AE7090220B: 200m Beige Ø0.9mm
AE7090220G: 200m Gray Ø0.9mm
AE7090210B: 100m Beige Ø0.9mm
AE7090210G: 100m Gray Ø0.9mm


  • Download PDF FileDA External Signaling