ADEMCO 4120XM Guía de usuario descargar pdf (Pagina 36)

4+2 Express

ADEMCO’S Express format provides the same information as the 4+2 format,

but with three differences:

1. The data is transmitted in DTMF (Dual Tone Multi-Frequency known as

“TouchTone, at the rate of 10 characters per second). This greatly decreases

the time it takes a report to go through to central station. An average 4+2 Low

Speed report might take as long as 20 seconds to complete its report, but 4+2

Express takes under 3 sees.

2. Two message rounds are eliminated by the use of a checksum digit. Instead

of the communicator sending 2 rounds per report, it sends only 1 round with a

checksum digit at the end. Doing this also helps in decreasing the time it takes

for a report to be sent.

3. The handshake frequency is 1400 Hz followed by 2300 Hz, and the kissoff

frequency is 1400 Hz.

Ademco High Speed

ADEMCO’S High Speed format transmits data in DTMF at a rate of 10 characters

Reporting

per second. The handshake frequency is 1400 Hz followed by 2300 Hz, and the

kissoff frequency

is 1400 Hz. The message contains 13 digits as follows: A 4-digit

account number + eight channels of zone information (1-8 or duress plus 9-15) +

one status channel, which identifies the type of events being reported in the eight

zone locations. A typical High Speed report will be kissed off in under 5 seconds.

Channels 1 through 8 could have one of the following conditions:

1 = NEW EVENT

2 = OPENING (Status Channel Always= 2~

3 = RESTORE

4 = CLOSING (Status Channel Always= 4)*

5 = NORMAL, NO EVENT TO REPORT

6 = PREVIOUSLY REPORTED, NOT YET RESTORED

* NOTE: Channel 1 will contain the user ID 1-9, A-F if Open/Close reporting

is enabled.

The status channel might have one of the following conditions:

1 = DURESS (For Duress Plus Channels 9-15 Only)

2 = OPENING

3 = BYPASS (For Channels 1-8 Only)

4 = CLOSING

5 = TROUBLE (For Channels 1-8 Only)

6 = SYSTEM STATUS:

● AC LOSS in Channel 1

● LOW BAITERY in Channel 2

● PROGRAM TAMPER in Channel 3

● POWER ON RESET in Channel 4

7 = NORMAL ALARM STATUS (Channels 1-8 Only)

9 = TEST REPORT

A typical high speed report may look as follows:

1234 5115 5555 7(Acct#1234 with alarms on channels 2 and 3)

High Speed Format

1. When using Ademco high speed, remember there are only 15 channels

Limitations available, plus a duress channel. If more than 15 zones are being used, they

will have to share channels.

2. With Ademco High Speed reporting, channels 9-15 cannot report troubles or

bypasses. Use these channels for zones that will not report these conditions.

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ADEMCO 4120XM Guía de usuario Pagina 36

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