- Allows an external device to be triggered when the intercom is called
- External device will be activated when the door station calls in
RY-ES
External Signaling Relay
The RY-ES is a relay used to activate an external signaling device when the door station calls in. It can be used for call extension on the JP, JO, JK, JF, KB, AX, NIM, DB, and IE systems (excluding IE-8MD). The relay connects to the chime output of the master station in place of the IER-2. The RY-ES relay will share power with the master station.
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