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The PA-2A provides loud ringing and paging to electronic key systems, 1A2 Key
systems, PABX’s as well as No-KSU phones and multiline phones. Paging is
accomplished by connecting the PA-2A to a paging port or unused telephone line
input (trunk port) of nearly any phone system.
The PA-2A will also generate an adjustable loud ringing from up to 6 C.O. lines or
from a dry contact closure. Either a loud electronic warble, or one of three other
soft chime sounds may be selected. An external “night transfer” switch can be
added to turn loud ringing on or off in night bell applications. The PA-2A is easy
to install and eliminates the installation of multiple bells, relays and paging cards.
The unit comes complete with a power supply, amplifier and (1) paging horn.
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.
DOD# 305
ZF302420 Rev B
Printed in the U.S.A.
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A. Remote Touch Tone Controllers
The RC-2A Remote Controller provides remote relay operation from any standard Touch Tone
telephone.
The controller is designed to be installed either locally or remotely. For off-premise applications,
the RC-2A will answer analog C.O. lines or PABX/KSU stations after a selectable ring delay. A
field programmable access code can also be programmed to prevent unauthorized usage. The
RC-2A will then allow remote relay operation.
The RC-3 enables a standard Touch Tone phone to con-
trol up to 3 maintained ON, maintained OFF, or momen-
tary relay contacts from a remote location. The RC-3 is
fully user programmable and uses non-volatile memory.
Up to three RC-3’s can be daisy chained on the same
line to control up to nine relays. The RC-3 features
switchable 12V talk battery allowing easy installation on the trunk port. In addition, the unit
can be connected directly to a C.O. line or analog PABX/KSU station.
For more information on using the RC-2A or RC-3 in conjunction with the K-202-DVA see
application note (DOD# 878).
B. Paging Amplifier and Loud Ringer
8
In the PA (Public Address) Mode the K-202-DVA constantly monitors both alarm inputs, just like in the alarm dialer mode. In
the PA Mode, all options for the inputs are still programmable (normally open or normally closed, momentary or continuous,
qualifier timer, etc). The PA mode is useful when the K-202-DVA is dialing the access code (or calling the extension num-
ber) of the paging system and playing the recorded messages over the loud speakers.
This mode eliminates all beep tones (used in the alarm dialer mode) provided by the K-202-DVA after the recorded message
has played, eliminating any beeps from being heard over the loud speakers. When the PA mode is enabled, the “forced play
timer” should be set to 10 seconds (see Section I) and the lap counter should be set to a value higher than one (see section
K), to allow the K-202-DVA to reattempt accessing the paging system if the page port is busy. When an input is activated,
the K-202-DVA will dial the access code for the PA system and listen for a busy signal. If the K-202-DVA does not hear a
busy signal, the “forced play timer” will expire and the recorded message will play (the programmed number of repeats). If
the K-202-DVA does hear a busy signal (and the lap counter is set to a value higher than one), the K-202-DVA will hang up,
wait two seconds then dial the access code for the PA system again.
The K-202-DVA will keep repeating this process until a busy signal is not heard or the lap counter reaches its programmed
value. Once the K-202-DVA plays the message or the lap counter expires, the K-202-DVA will return to idle and wait for
another input trigger. The lap counter in this mode is actually a counter for the maximum number of times the K-202-DVA
will attempt to call a busy paging port before it gives up. When playing emergency messages over the paging system, the
lap counter should be set fairly high to ensure the emergency message eventually plays, especially on systems with heavy
paging traffic.
B. PA (Public Address) Mode
Model RC-2A
See DOD# 160 for more info
Model RC-3
See DOD# 165 for more info
Model PA-2A
See DOD# 485 for more info
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