
8
System Testing (continued)
6. If you are using the Alarm Abort feature, set the Alarm Panel, initiate an
alarm condition and (If the alarm system incorporates bell delay this will be
overridden) unset the alarm system within 90 seconds.
7. Contact your ARC to confirm that all signals have been received. Ensure
that all ‘Restore’ signals are received when the Dualcom input terminals
return to their quiescent value.
8. If the quiescent (non-active) states of the input terminals are incorrect, i.e.
‘positive applied/removed is inverted, then the ARC will report that the Alarm/
Restore or Open/Close is the ‘wrong way round. To correct this, on Dualcom
Mk2, use the Self Learning Input feature. See page 13.
For Dualcom Mk1, contact the ARC or the Help Desk at CSL for remote
programming.
Note : When ALARM calls are made, both PSTN & VDN paths are
activated, but only ONE alarm call will be received. This will be from
the path that is the first to send the alarm call to the ARC.
9. If at any time you wish to cancel a call, short the Reset pins. See Fig 1 & 2.
10.Remember to note the Dualcom ESN & NUA numbers (and any security
access numbers) on the site records that will be stored at your office. See
Fig 3 and page 14.
11. Your Dualcom is now fully tested.
Note: When transporting Dualcom Mk2 ALWAYS disconnect the internal
battery to stop the battery operating the Dualcom until it is discharged.
See Fig 2 and 3.
Fig 4
Internal Battery
ESN Number
(under internal
battery)
VDN Dualcom Mk2
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