2N Analog Vario, Руководство по установке

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Installation manual 2N® Analog Vario
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Automatic Multiple Number Dialling with Confirmation
This mode is used where maximum connection reliability is required – for emergency calls. The
called line (the supervisory control centre, e.g.) must be operated by a well-trained person to
confirm connection. The DTMF is used as the most reliable criteria for successful connection.
The called line must press on its telephone. If the called number is busy or remains
unanswered until the preset timeout or in other cases (see the table), 2N
®
Analog Vario dials the
next number in the sequence.
Evaluation of Situations in Audible Automatic Dialling with Confirmation
Situation
2N
®
Analog Vario Action
Busy tone Hangs up in approximately 2 seconds and dials the
next number.
Call or silence Waits for the preset timeout (log-in time), then
hangs up and dials the next number.
Ringing tone Waits for the preset count of rings, then hangs up
and dials the next number.
Continuous tone (at the PBX, e.g.) Hangs up in approximately 2 seconds and dials the
next number.
DTMF char or
Immediately hangs up and dials the next number.
DTMF char
Confirms reception (2 beeps) and the call continue
for the preset time at most (maximum call
duration).
These digits are interpreted as control characters –
refer to the DTMF Control subsection.