VSP-V-9945A
Issue 7
1 947747
V-9945A
SINGLE TONE/INTERRUPTED
WARBLE TONE LOUD HORN
INTRODUCTION
The V-9945A is a horn with built-in tone generator
and amplifier used for loud signaling applications.
These instructions provide identification, connection,
installation, operation and maintenance information
for the V-9945A, Single Tone/Interrupted Warble
Tone Horn Ringer.
SPECIFICATIONS
Purpose
The V-9945A provides amplified electronic tones for
signaling in large or noisy areas or outside.
Applications
• Night ringing
• C. O. audible ringing
• Time clocks
• Special purpose signaling
Features
• Self-contained tone generator, amplifier, volume
control and horn speaker
• Single tone or warble tone outputs
• Power supply included
• Activated by dry contact closure
• Single tone will override warble tone
• Warble tone interrupted 1 second on, 5 seconds
off
• Single tone continuous for duration of closure
• Weatherproof
• Units may be multipled for simultaneous access
Capacity
The V-9945A has provisions for two inputs, either or
both of which can be used in an application. If both
inputs are activated simultaneously, the single tone
will override the warble tone.
The V-9945A is a stand alone ringer horn activated by
a relay. If more than one ringer horn is required,
contact Valcom Technical Support at (540) 563-2000
for design assistance.
Dimensions/Weight
• 6.50"H x 8.20"W x 10.40"D, plus mounting
bracket
(16.51cm H x 20.83cm W x 26.42cm D)
• 4.3 lbs. (1.95 kg)
Power Requirements
-21.5 to -26.0VDC "B" battery, 250mA nominal.
Environment
• Temperature: -20 to +55 degrees C
• Humidity: 0 to 95% non-precipitating
DESIGN
Access Requirements
The V-9945A requires a dry contact closure for
activation of each tone (If both tones will be used,
two closures are required). The closures may be in
the form of night ringing relay contacts, time clock
contacts, a standard normally open switch or
equivalent.
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