Aritech Advisor RD 6203, Programming Manual

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Page 32 Programming manual for RD6203
8. Line monitor options Line monitor
In this section the line monitor options are programmed. If there is a line fault, output O2 will be directed to
the dialler (from software version 5.7 and up).
8.1. Switch line monitor on or off
Line monitor off
Activate line monitor. Line monitor checks whether there is a PSTN line present. Line monitor must be
off to use
'Connect to line' .
8.2. Set the operation of line monitor
Off-Hook Options
This option determines when a "Line fault” message is given.
Table 11. Overview of the line monitor options
OPTION FUNCTION
0 Ignore off-hook
The line monitor works on line current and line voltage. A piece of
equipment in parallel which is engaged in a call will not give a line
fault.
1 Always line fault
In this option line current and line voltage are checked all the time.
A piece of equipment in series will cause a line fault when engaged
in a call.
2 LF when armed
The line monitor only works when the system is armed. Equipment
in series generates a line fault.
8.3. Answer ringing when triggered
Ans Ringing wh CI CS
Dont Ans Ringing
There are two options in this menu (shown above). If “answer ringing” is selected, the dialler when
activated will test the line for ringing tone. If present, it will answer the call and hang up, clearing the
line so that it can proceed to call the central station. If “don’t answer” is selected, the dialler will wait for
a clear line.
8.4. Test for presence of dial tone
D.Tone Test No
Dial tone test. When set to “Yes” the dialler must check every 5 minutes whether the dial tone is still
present. This function is intended to signal unilateral disconnection of the telephone line.