Nokia 500s Appliance Overview
Nokia 500s Installation Guide
31
Fan Unit
The 500s appliance fan unit is a single unit made up of eight individual fans to
provide the air flow required to maintain a proper operating temperature. The
fan unit can provide proper airflow for a short time even if an individual fan
fails.
Caution
If an individual fan fails, replace the fan unit as soon as possible. For
information about how to replace a failed fan unit, see
The system status LEDs on the front panel of the appliance show the status of
the fan unit. For more information about the system status LEDs, see
Table 6 Power Supply Status LEDs
LED
LED status
Meaning
Fault
Red
Power supply has a voltage problem
and power was turned off.
or
One power supply in a redundant
system is not turned on.
Over Temp
Yellow
Power supply has an internal
temperature problem. All power to the
unit is turned off. After the internal
temperature returns to normal, power
will be turned back on.
PWR OK
Green
Power is on and the power supply is
functioning properly.
Содержание 500s
Страница 1: ...Nokia 500s Installation Guide Part No N451547001 Rev A Published February 2005 ...
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Страница 34: ...1 Overview 34 Nokia 500s Installation Guide ...
Страница 66: ...4 Installing and Replacing Network Interface Cards 66 Nokia 500s Installation Guide ...
Страница 98: ...7 Troubleshooting 98 Nokia 500s Installation Guide ...
Страница 124: ...8 Installing and Replacing Other Components 124 Nokia 500s Installation Guide ...
Страница 132: ...B Compliance Information 132 Nokia 500s Installation Guide ...