What voltage and current is the phone line monitor measuring to sense trouble on the phone line on the D7212B/D9112B panels?
The phone line monitor senses trouble when the voltage on the line falls below 4.5 to 7.5 VDC, or in the off-hook condition when the current is 8 to 13mA.
AC Fail/Res Rpt
Parameter Description: AC Power Supervision reports are sent to the central station and local printer at the time programmed for AC Fail Time.
IMPORTANT: To comply with NFPA standards and UL 864 requirements for Commercial Fire Systems, program this item NO and program AC Tag Along as YES.
Yes: Send AC Fail and AC Restoral reports.
No: Do not send AC Fail and AC Restoral reports.
1) Receive copy of 9000MAIN
2) Enter group PANEL WIDE PARAMETER
3) Enter group Power Supervision
4) Fail/Res Rpt Yes/No (SPACE bar to change)
*Must press ENTER for each prompt entry
5) Send Load to panel
When a resistor is on one of the expansion points, it shows "shorted" in the view point status. When the resistor is removed, it shows "open" in the view point status. What should be done?