Conditions that cause an alarm, Conditions that cause an alarm -15, Figure 2-4 power supply module’s front door -15 – Clear-Com LMC-64 User Manual
Page 35
Clear-Com
Eclipse Median Instruction Manual
2 - 1 5
also one of the additional six red alarm lights, allowing the system
operator to identify or correct alarm conditions before they affect the
operation of the matrix.
Each of the four green power supply lights stays on continuously to
show that the power supplies are receiving sufficient AC current. When
one of these lights switches off, the power supplies need to be
replaced or repaired.
Under normal operating conditions, the red front-panel alarm lights
stay off, while the green power supply lights stay on continuously.
Figure 2-4: Power supply module’s front door
CONDITIONS THAT CAUSE AN ALARM
The following conditions trigger an alarm:
• If any of the voltages produced by the first power supply unit fall
below normal levels.
• If any of the voltages produced by the second power supply unit fall
below normal levels.
Power Supply LIghts
+12 Volt Light
+ 5 Volt Light
+3.3 Volt Light
--12 Volt Light
Alarm Lights
Main Alarm Light
External Alarm (EXT ALARM) Light
Temp Alarm Light
Fan-Fail Alarm Light
PSU1 Fail Light
PSU2 Fail Light
Fan-On Alarm Light
Alarm Reset Button
Euro Cassette
Power Supply 1
Euro Cassette
Power Supply 2
Euro Cassette
Alarm Lights