DS7100 version 5.03 or higher.
The phone line monitor feature has been enhanced to provide output to allow enabling or disabling of the featrure through programming and to automatically reset after the phone line is restrored.
The feature is controlled in data digit 2 of program address 89.
To enable the phone line fault monitor without an audible output, program line 89 as 0200.
To enable the phone line fault monitor with a keypad warning beep when the system is disarmed and siren output when the system is armed, program line 89 as 0600.
To disable phone line fault monitor program line 89 as 0000.