Description
The RY-AC/A relay is used to activate an external doorbell, buzzer, or signaling device when a call is received. It can be used for call extension on the LEF, TD-H & IE-8MD systems.
Main Features
- Allows an external device to be triggered when the intercom is called
- External device will be activated momentarily as long as the call button on the door station is activated
- External device and power for it not supplied by Aiphone.
