Prontonet User’s Manual v410 104
While the unit is working in backup mode, the unit is monitoring the main line in
order to decide if the line has been recovered or not. If the audio synchronism is
detected in the received audio by the main line, the programmed countdown in
the TIMER-UP starts. If the countdown finishes, the ProntoNet goes to IP or X21
mode again and therefore leaving the backup mode after ending the
communication by the ISDN line.
In order to avoid the entry of unwanted calls, the ProntoNet terminal adapter
allows the programming of call filters (BACKUP-TA_CNUM).
V.12.1.2. ProntoNet SLAVE operation
If the ProntoNet works as SLAVE, the entry or exit to the backup mode will be
guided by different criterions than the defined ones in the MASTER mode. First of
all, it is necessary that the Backup option be enabled.
The unit will work by default in IP or X21 mode monitoring the state of the ISDN
line continuously. If an incoming call is detected, the unit will switch to backup
mode automatically. If the call hungs up, the unit will pass to work in IP or X21
mode again.
During the backup phase the ProntoNet SLAVE goes on sending coded audio
through the main line in order to the ProntoNet MASTER can detect that the line
has been recovered.
It is also possible to program call filters in the ProntoNet SLAVE in order to avoid
the unit answering unwanted calls.
ProntoNet MASTER Backup Configuration
1.- Disable the backup operation: SYS - BACKUP – ENABLE - OFF
2.- Set the ProntoNet as MASTER: SYS – MODE - MASTER
3.- Set the timers: SYS – TIMER – DOWN – x sec.
SYS – TIMER – UP – y sec.
4.- Set the backup audio mode and the ISDN numbers:
CONF – BOOK – INDEX 1 Æ
5.- Enable the Backp operation: BACKUP – ENABLE - ON
BOOK EDITOR [01]
{ISDN}IPENC1 ENC2
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