Nortel 8000 Series Installing And Maintaining page 68

68 Switch operations
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Installing and Maintaining the Ethernet Routing Switch 8000 Series Chassis
Copyright © 2008, Nortel Networks
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7 seconds. To correct this condition, turn off the power supplies for
a short period of time, and then turn on the power supplies again
simultaneously.
It is not necessary to remove the bezel to turn the power switch on.
Do not operate the 8010co chassis with only one power supply. For
information about the power switch location, see
power switch" (page
DC power supply power switch
Verify that the power output LED for each power supply lights green.
Verify that the power supply status LEDs and the fan LED on
the 8691 Switch Fabric/Central Processor Unit (SF/CPU) or 8692
SF/CPU modules light green.
Verify that air flows from the cooling fans out through the back of
the 8010co chassis.
The fan tray red fail LED can light briefly while the fans power to
operational speed.
After you turn on the switch, each module automatically initiates a
diagnostic test to verify proper module function.
If the power supply LED remains off or if you cannot feel air flow
from the 8010co chassis vents,on each power supply, turn the power
switch to the off position.
If you install the 8010co chassis and connect it to the optional BIP,
ensure the circuit breakers on the BIP are in the off position.
Wait 1 minute.
Nortel Ethernet Routing Switch 8600
NN46205-303 01.02 Standard
4.1 10 January 2008
68).
"DC power supply