Vistaquest N7227V5 Manuel d'utilisateur télécharger pdf (Page 64)

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Section 14. SYSTEM COMMUNICATION

This section provides an explanation of formats this system accommodates for

reporting alarms and other system conditions to the central station. The

process of a successful transmission consists of both the method of

communication between the control panel and the central station receiver and

the actual way the information is sent and displayed at the central station.

Report Code Formats

When the panel calls the central station receiver, it waits to hear a

“handshake” frequency from the receiver to confirm that the receiver is on-line

and ready to receive its message. Once the panel hears the handshake it is

programmed to listen for, it sends its message. The panel then waits for a

“kissoff” frequency from the receiver acknowledging that the message was

received and understood.

If the handshake frequency is not given or is not understood by the panel, the

panel will not send its message. Once the handshake frequency is received

and understood by the panel, the panel will send its message. If there is an

error in the transmission (the receiver does not receive a “valid” message), the

kissoff frequency will not be given by the central station receiver.

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 message through. If the panel is not successful after its numerous

attempts, the keypad will display “Communication Failure” (Alpha keypad) or

“FC” (Fixed-word keypad).

The following chart defines the three sets of (handshake/kissoff) frequencies

that the panel supports and the different formats that can be sent for each.

FORMAT HANDSHAKE TRANSMITS DATA KISSOFF TRANSMIT TIME

Low Speed 1400Hz 1900Hz (10PPS) 1400Hz Under 15 secs.

3+1 (Standard report)

4+1

4+2

Sescoa/Rad 2300Hz 1800Hz (20PPS) 2300Hz Under 10 secs.

3+1 (Standard report)

4+1

4+2

Express 1400–2300Hz DTMF (10 cps) 1400Hz Under 3 secs.

4+2

Contact ID 1400–2300Hz DTMF (10 cps) 1400Hz Under 3 secs.

The following describes each format in greater detail.

3+1 and 4+1 Standard Formats Comprise a 3- (or 4-) digit subscriber number and a single digit

report code (e.g. Alarm, Trouble, Restore, Open, Close, etc.).

3+1 and 4+1 Expanded Formats Comprise a 3- (or 4-) digit subscriber number, and a two-digit re-

port code. The first digit is displayed on the first line, followed by

a second line where the first digit is repeated 3 (or 4) times and

followed by the second digit. This is the “expanded” digit.

4+2 Format Comprises a 4-digit subscriber number and 2-digit report code.

Ademco Contact ID Comprises a 4-digit subscriber number, 1-digit event qualifier

Reporting Format ("new" or "restore"), 3-digit event code, and 3-digit zone number,

user number, or system status number (see the following page).

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Vistaquest N7227V5 Manuel d'utilisateur Page 64

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