Aiphone DB-1SD Sub Master Station

Description 

The DB-1SD Audio Sub Station from Aiphone connects to the DB-1MD Audio Master Station (using a 4-conductor wire) in the DB Series Hands-Free Audio Only Entry System. It features a call tone volume control with mute indicator, receive volume control, All Call button, Talk button, and Off button.

Up to 4 sub stations can be connected to the master station, and communication is possible between all the 5 stations via the All Call button.

Features 

• 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)

Specifications