Nortel Media Gateway 3500 Installation, Operation And Maintenance Manual page 80

Table 8-3: Functional Checks on Component Indicators
Functional Unit Indicator
Fan Tray Unit
APM Fan Tray
Power Supply
Module
Power Supply
Module
Installation, Operation, Maintenance Manual
Indicator Status
-
FAULT OFF
Power Green
FAULT OFF
Description
All LEDs on; Not applicable in Version 1.2
Normally OFF
LED is Red if voltage to the fans is
improper
Indicates ON
Power input is within specified limits
Red LED is Off
On indicates power input voltage is not
within specified limits, over-temperature
or input failure
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Media Gateway 3500
Document # LTRT-90704