Security Hong Kong Ltd- 香港防盜 | 傑成系統 –

Aiphone DB-1SD


Aiphone DB-1SD

Sub Master Station for DB-1MD



  • All Call between stations in same residence / office
  • Option button for external device control (N/O dry contact, AC/DC 24V 1.6A Max)
  • Call tone volume control with LED mute indicator
  • Receive volume control
  • Optional Call Extension Speaker (IER-2)
  • Optional external signaling to 3rd party bell or light using RY-ES (used in lieu of IER-2)
  • Door release button (powered by door station)



Hands-free (VOX) or push-to-talk (simplex)


Wire Type

  • Entrance Station to Tenant Master Station: 2-cond., low cap, PE insulation, solid, non-shielded – use Aiphone #871802
  • Tenant Master Station to Tenant Sub Station: 4-cond., low cap, PE insulation, solid, non-shielded – use Aiphone #871804
  • Between Tenant Sub Stations: 4-cond. + 2-cond. when sharing power – use Aiphone #822206 or #871804



  • Power Supply to Tenant Master Station: 180′(22AWG) 510′(18AWG)
  • Tenant Master Station to farthest Tenant Sub Station: 330′
  • Power Supply to Entrance Station (cumulative): 360′(22AWG) 1,020′(18AWG)