///DA Series: Two-Wire Door System

DA Series: Two-Wire Door System

  • 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

Product Description

Power Source

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


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


Door to master: 180’(22AWG) 500’(18AWG)

Wire Type

Aiphone #822202

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