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ISSUE 4

 

 

 1 

947944

 

 

 

 
 

 V-9943A 
 

ELECTRONIC MULTI-TONE RINGER 

 

 
 

 
GENERAL 

The V-9943A is a Line-Powered Electronic Multi-
Tone Ringer which is designed for use in an office 
environment with a quiet to moderate ambient 
noise level.  The V-9943A can be connected to a  
PABX Station, or common audible contact to 
provide a selectable tone and an LED indication to 
indicate the presence of incoming calls. 
 

 

APPLICATIONS

 

  E-Key system common audible ringer. 

  1A2 key system common audible ringer. 

  PABX station ringer. 

 
 

SPECIFICATIONS

 

Design

 

The V-9943A is designed to give incoming call 
indication.  Incoming call indication is recognized 
as an interrupted tone and a light.  The tone can 
be a solid or warble tone. Different frequencies can 
be selected using DIP switches (See Option 
Switch Chart). 
 

Features

 

  Provides a tone indication when a call is 

ringing in. 

  Switch selectable tone(s).   

 Volume 

control. 

  LED indication of incoming call. 

  Separate power supply not required.      

  Screw terminals for all connections 

 
 
 
 
 
 
 
 
 

 
 
 

 
 
 
 
 

Dimensions/Weight

 

  3.33”H x 5.65”W x 1.75”D 

(8.46cm x 14.35cm x 4.44cm) 

  .5 lbs. (.23 kg) 

 

Power Requirements

 

7

0-105 VAC (20-30 Hz), 50 mA max. or –24 VDC, 

50 mA max. 
 
The V-9943A is not intended for direct or indirect 
connection to public telephone network or any 
telephone line providing dial tone.  When used with 
a customer premise telephone system such as a 
key system or PABX system, these units are 
interfaced to the system via a fully protected page 
port or system central office port, which is fully 
protected interface device.  Also, the host system 
must be configured to disallow central trunk 
conferencing in order to prevent indirect 
connection to the public network. 
 

 

 

 

 

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