Telecom Behnke myintercom Plus, Instructions Manual, Page: 57 / 84

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myintercom Plus IP video door intercom Instructions
Add-on modules
GB
3. ADD-ON MODULES
3.1. Security relay
This module provides further security meas-
ures by moving the door opener and the two
relays into the protected interior of the house
or building.
The security relay is connected to the door
station by four wires and is also supplied with
power through these.
Connect the following door station terminals
with the terminals of the security relay:
– NO (make contact), rating 30 VDC
max. 1 A
Floating contact, separate power supply
required for the connected device.
Markings on the
door station
Markings on the
security relay
SR- SR-
SR+ SR+
TXD TXD
RXD RXD