Installing the VoIP Indoor Office Ringer
Parts List
Operations Guide
930386E
CyberData Corporation
8
2.2.2 Connecting a Device to the Auxiliary Relay
The Office Ringer incorporates an on-board relay which enables users to control an external relay for
activating an auxiliary device. The Office Ringer relay contacts are limited to 1 amp at 30VDC. The
Office Ringer 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.
Figure 2-2. Auxiliary Relay Wiring Diagram
Warning
Electrical Hazard:
The Office Ringer 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
GENERAL ALERT
GENERAL ALERT
+
-
DC
POWER SUPPLY
30 VDC @ 1A
MAX.
IN
Switching Diode
High PIV UltraFast
Solid State
or
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
or
Strobe Light
( )
OUT
Example of External Relay (not supplied)
PCB
Auxiliary Relay Wiring Contacts
Controlled device
such as a
Strobe Light
