Fire-Lite Alarms MS-5210UD Manual page 68

LED Display and Status LEDs
System Fire Alarm LED
A red LED that flashes when a fire alarm condition is detected during the alarm presignal period. It turns on
steady when the system silence or acknowledge switches are pressed.
System Trouble LED
A yellow LED that blinks to indicate that a fault or abnormal condition exists and that the fire alarm system may
be inoperative. It turns on steady when a system silence or acknowledge switch is pressed.
AC Power On LED
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 LED
A yellow LED that blinks to indicate the need for action in connection with the supervision or maintenance of
sprinklers, extinguishing systems or other protective systems.
System Silence LED
A yellow LED that turns on to indicate that an Alarm or Trouble condition exists in the system, but Notification
Appliance Circuits (if programmed as silenceable) and local piezo sounder have been silenced.
Primary Line Active LED
A red LED that indicates the primary phone line is active.
Secondary Line Active LED
A red LED that indicates the secondary phone line is active.
Kiss-Off LED
A green LED that blinks when a Central Station has acknowledged receipt of each transmitted message or when a
portion of up or download data has been accepted from a Service Terminal.
Modem LED
A green LED that stays on steady during modem types of communications.
Phone Connectors and LEDs
FIGURE 4-2:
Modem LED
68
Kissoff LED
Primary Active LED
Secondary Active LED
Document #50193 Rev.E 01/30/02
Primary Phone Line
Secondary Phone Line
P/N 50193:E