Displays
52
Document #15140 Rev.G 01/02/02 P/N 15140:G
Individual LEDs are provided for:
System Alarm
A red LED that turns on steady when an alarm condition is detected and blinks during the alarm presignal period.
System Trouble
This yellow LED blinks to indicate that a fault or abnormal condition exists and that the fire alarm system may be
inoperative. It turns on steady when the silence switch is pressed.
AC Power On
A green LED that remains on while the AC power supply is within correct limits.
If this indicator fails to light under
normal conditions, service the system immediately.
Supervisory
A yellow LED that blinks to indicate the need for action in connection with the supervision or maintenance of sprin-
klers, extinguishing systems or other protective systems.
System Silence
A yellow LED that turns on to indicate that an alarm or trouble condition exists in the system, but both NACs (if pro-
grammed as silenceable) and local piezo have been silenced.
Primary Line Active
A red LED on the main circuit board that indicates the primary phone line is active.
Secondary Line Active
A red LED on the main circuit board that indicates the secondary phone line is active.
Kissoff
A green LED on the main circuit board that blinks when a Central Station has acknowledged receipt of each transmit-
ted message or when a portion of upload or download data has been accepted from a Service Terminal.
Modem
A green LED on the main circuit board that stays on steady during modem types of communications.
FIGURE 4-1:
Phone Connectors and LEDs
Primary Line
Secondary Line
Primary Active
Secondary Active
Modem LED
Kissoff LED
