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A. Amplifying MTG-10 Tones with a PA-2A
In this application, the tones from the MTG-10 are amplified by a Viking PA-2A Paging/Loud Ringing Amplifier.
Whenever the MTG-10 receives a contact closure on one of its inputs, it generates the selected tone. Whether the
paging amp amplifies the tone when other inputs are activated depends on the the priority the paging amp places on
this particular input. If the MTG-10 has been installed to generate emergency tones, its output should have top prior-
ity so that any emergency tone will be amplified and sent to the paging speakers.
MTG-10
Radio Source
B. Background Music, Paging and Tones
In this application, the MTG-10 is used with a Viking PI-1 and a CPA-7B to provide paging with background music which
can be interrupted by tones from the MTG-10. The PI-1 provides switching between background music and paging,
the CPA-7B provides the amplification, and the MTG-10 is wired in such a way that its tones will always be given pri-
ority over music or paging.
Contact
Closure
Phone
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Add Paging, Loud Ringing and Background Music to Centrex, PABX, and Key Systems
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Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or
subsidiaries assume no responsibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate
such changes.
Fax Back Doc 482
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MTG-10
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To Paging Port
PABX/KSU
Station
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The CPA-7B is a cost effective, multi-purpose, telecom paging system. The CPA-7B provides 6 watts
of low noise, high fidelity power for many telecom paging and night bell applications. Multiple units can
be cascaded to power more speakers for larger paging applications.
The CPA-7B can be interfaced to ringing Centrex/C.O. lines, analog PABX/KSU stations, unused trunk
inputs, as well as standard paging ports. For loud ringing, the CPA-7B generates an adjustable loud
warble from a dry contact closure or a ringing Centrex/C.O. line or analog PABX/KSU station. The CPA-
7B is easy to install and can eliminate the installation of multiple
bells, relays and paging cards.
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VIKING
PAGING
VOLUME
MIN
MAX
TALK BATTERY
ALERT TONE
WARBLE / CHIME
RINGING LINES
1 - 3
4 - 6
Need More Information on the PA-2A?
Call (715) 386-4345 and select 485.
PI-1
UNIVERSAL TELECOM/PAGING
INTERFACE
VIKING
ELECTRONICS
HUDSON,WI 54016
RING VOL
TIME OUT
VIKING
©
MODEL PI-1
RELAY
AUDIO IN
N.O.
COM
N.C.
POWER - 12VDC
1
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5
NIGHT
RING
PT
PP
AUX
RJ11
RELAY
Radio
Source
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Printed in the U.S.A.
MODEL PA-2A
©
RINGING
VOLUME
VIKING
ELECTRONICS
HUDSON, WI 54016
MIN
MAX
PAGING - LOUD RINGING
AMPLIFIER SYSTEM
PA-2A
1 2 3 4
5 6
7 8
9 10
POWER
JP1
25AE Paging Horn
1 2 3 4
CPA-7B
VIKING
MODEL CPA-7B
©
PAGING
RING/ALERT TONE
VOLUME
VIKING
ELECTRONICS
HUDSON, WI 54016
MIN
MAX
GENERAL PURPOSE TELECOM
PAGING SYSTEM
AUDIO OUT
6
7
1 2 3 4 5 6 7 8 9 10
MODE SWITCH
TRUNK/PAGING PORT
RING TRIP
PAGING
MUSIC
TIME
INPUT
INPUT
OUT
To Music Input
Need More Information on the PI-1?
?
Call (715) 386-4345 and select 490.
Need More Information on the CPA-7B?
?
Call (715) 386-4345 and select 455.
Need More Information on the CPA-7B?
?
Call (715) 386-4345 and select 455.
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VOLUME
MIN
MAX
25AE Paging
Horn
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