Phase 1 The dialler will switch to the telephone line.
Phase 2 The dialler will wait 3 seconds then will engage the telephone line.
Phase 3 If the Dial-tone check option is enabled (refer to the "Programming" sec-
tion), the dialler will wait for the dial tone.
NOTE: If the dialler does not detect the dialling tone within the preset
time, it will repeat the process 4 times before hooking-up and stepping
back to phase 1.
If this option is disabled the dialler will go directly to the next phase.
Phase 4 The dialler will dial the telephone number associated the with the alarm
channel concerned.
Phase 5 If the Voice answer detection option is enabled (refer to the "Programming"
section), the dialler will wait 25 seconds for a voice answer and, if detected,
will step to the next phase. If the Voice answer detection option 6 is disabled,
the dialler will pause for several seconds before going to the next phase.
Phase 6 The dialler will send the respective alarm channel message. The message
will be played for the preset Message playback time (20, 40, 60 or 80
seconds).
Call cycle The Call cycle (set up during the programming phase) determines the
number of times each telephone number ---- assigned to the alarm channel
concerned ---- will be dialled (1 to 5 times).
Figure 1 Telecom Module alarm cycle
OVERVIEW 9
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