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Installing the VoIP Intercom

Intercom Setup

Operations Guide 930181E CyberData Corporation

2.2.2 Connecting a Device to the Auxiliary Relay

A normally open relay is provided to enable users to switch on an auxiliary device like a door

buzzer (see

Figure 2-4). The relay contacts are limited to 1 amp at 30VDC. The relay on 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.

Figure 2-5. Auxiliary Relay Wiring Diagram

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.

GENERAL ALERT

POWER SUPPLY

30VDC@1A

MAX.

Switching Diode

High PIV UltraFast

Solid State

Mechanical

Relay

Controlled Device

Depending Upon

AC or DC rated

Output Contacts

Requirements

Power Source

AC or DC

Controlled Device

Such As

Electric Door Strike

Strobe Light

VoIP Intercom

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OUT

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