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Operations Guide 930370M CyberData Corporation

Installing the VoIP Indoor Intercom with Keypad (Flush-Mounted)

Parts List

2.2.2 Connecting the Intercom to the Auxiliary Relay

The VoIP Intercom incorporates an on-board relay which enables users to control an external relay

for activating an auxiliary device such as an electric door strike (see

Figure 2-2, "Auxiliary Relay

Wiring Diagram").

The Intercom relay contacts are limited to 1A at 30 VDC. The Intercom relay activation time is

selectable through the web interface and is controlled by DTMF tones generated from the phone

being called. The DTMF tones are selectable from the web interface as well.

Note The three digit code for the auxiliary relay must be sent in conformance with RFC2833

DTMF generation.

Warning

Electrical Hazard: The VoIP Intercom enclosure is not rated for any AC voltages.

Warning

Electrical Hazard: This product should be installed by a licensed electrician according

to all local electrical and building codes.

Warning

Electrical Hazard: To prevent injury, this apparatus must be securely attached to the

floor/wall in accordance with the installation instructions.

Warning

Electrical Hazard: The relay contacts are dry and provided for a normally open and

momentarily closed configuration. Neither the alternate power input nor PoE power

can be used to drive a door strike.

GENERAL ALERT

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