ADEMCO 4160-12 C-COM Especificaciones descargar pdf (Pagina 16)

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Fhny U.S. telephone networks will automatically disconnect the calling

party if the called party hangs up for a period of time. the system

automatically executes a 30 second anti-jam (hang up) AFTER the first

call attempt and each successive call to prevent any incoming calls

from blocking transmission.

E: Only if PROM selected.

The canunicator link is established in the following manner. The system checks

for a dial tone.

Dial Tone Detection

In order to reduce response time, the system senses both local (PBX)

and external (telco) dial tones.

If a dial tone is detected, the

system dials using the PRU4 selected Touchtone or rotary dial format.

If a dial tone is not detected within a PROM programned waiting period,

the system will dial anyway, as it assumes that a good connection

has been made and

that

the dial tone is not clear.

The PROM selectable waiting periods are:

seconds

- for quick disconnect Telco or PABX systems

11 seconds -

for normal telco systems

. 30 seconds -

for slow response telco systems

The system dials up to two separate 16 digft telephone numbers.. It may be

programned to do this in a nunber of ways.

PRaN calling options

Altetnrk'by PaIts -

Call the second number upon failing to

receive Kissoff after two attempts to the primary nunber, then

alternate every two calls between

the

primary and second number

until Kissoff is received from one or until the maximua nunber

of attempts is reached.

Our1 Report -

Always call the second nunber even after Kissoff

fran or having reached the maximum number of attempts to the

first nunber.

Second hmber Only

- Having selected alarm code/channels report

only to the second nunber (e.g. open/close reports)

Successful connections are verified when the system receives an acknowledgment

tone fran the central; station receiver.

this tone is not received within

a defined period, the system will disconnect from the line and wait 30 seconds

before tryfng again. The calling procedure ~111 be repeated in varying canbina-

tions, as programned, until a successful link is established or until the maximum

nunber of attempts is reached.

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ADEMCO 4160-12 C-COM Especificaciones Pagina 16

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