System Communication; Report Code Formats - ADEMCO Vista-20 Installation Instructions Manual

This section provides an explanation of formats this system accommodatesfor reporting
alarms and other system conditions to the central
station. The
process of
a
successful
transmissionconsists
of both the method of communicationbetweenthe control panel and
the central station
receiver
and the actual way the information is sent and displayed at the
central station.
-~F~
When the panel calls the central
station
receiver, it waits to hear a
%andshake" frequency born the receiver to confirm that the receiver is on-
line and ready to receiveits message. Once the panel hears the handshake it
is programmed to listen for, it sendsits message. The panel then waits for a
"kissoff"fkequencyfrom the receiver acknowledging that the message was
receivedand understood.
If the handshake frequencyis not given or is
not
understoodby the panel, the
panel will not send its message. Once the handshake frequency is received
and understi by the paneI, the psnel will send its message. If there is an
error in the transmission (the receiver does not receive a %did" message),
the kissofffrequencywill not be given by the central stationreceiver.
The panel will make a total of eight attempts to the primary telephone
number and eight attempts to the secondary telephone number (if
programmed) to get a valid messagethrough. If the panel is not successful
after its nunierous attempts, the keypad will display "Communication
Failure" (Alpha keypad) or WC" (Fixed-word keypad).
The following chart defies the
three sets
of (handshake/kissotTl f requencies
that the panel supports and the different formats that canbe sent for each.
I FORMAT
}
Low speed
3+1
4+1
4+2
SescosfRad
3+1
4+1
4+2
Express
4+2
HANDSHAKE I TRANSMITSDATA
1400HZ 1900HZ (1OPPS)
1400-2300Hz
I
DTMF (10cpS)
1400-2300Hz I DTMF (10
CpS)
KISSOFF ITRANSMIT TIMEI
1400HZ
Under 15sec.s.
(standardreport)
1400HZ
I
Under 3 sees.
I
1400Hz I Under3 sees.
I
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