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4. Panel Description
CAUTION:
To avoid the risk of electrical shock, make sure the main control power is OFF when wiring. DO NOT
apply power until wiring is completed following the procedures described in this manual.
4.1 Indicator Lights (in Cabinet Window)
Four LEDs appear in the window of the 5128/29 enclosure.
TROUBLE LED (yellow)
ON - A system trouble condition exists.
OFF - No trouble condition exists.
DC POWER LED (green)
ON - The panel is running on DC power.
OFF - The panel has lost all power.
PHONE LINE 1 LED (red)
ON - Phone line 1 has a trouble condition.
OFF - Normal condition.
PHONE LINE 2 LED (red)
ON - Phone line 2 has a trouble condition.
OFF - Normal condition.
4.2 Electrically Erasable Read-Only Memory (EEPROM)
The electrically erasable read-only memory (EEPROM) is used to store specific information such as system
configuration, telephone numbers, reporting format, and account numbers. The EEPROM retains the
programmed information even when all electrical power is removed. It can be programmed more than 1,000
times without losing its ability to store information.
4.3 DC Power
The 5128/29 operates on 18-40 VDC rectified power from the main fire control panel.
