Nortel Ethernet Routing Switch 8000 Series Installing And Maintaining page 64

64 Operating the Ethernet Routing Switch 8000 Series
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After you turn on the Ethernet Routing Switch 8000 Series, each module
automatically initiates a diagnostic test to verify proper module function [see
"Verifying a successful installation" (page
If the power supply LED remains off, or if you cannot feel air flow from the
8010co chassis vents, perform the following procedure:
Installing and Maintaining the Ethernet Routing Switch 8000 Series Chassis
Copyright © 2007, Nortel Networks
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If your chassis contains two or three power supplies, turn on the
power supplies simultaneously. If you wait longer to turn on the
second power supply, one of the power supplies can shut off within
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. See
the figure "DC power supply 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
8691SF or 8692SF CPU modules light green.
Verify that air is flowing from the cooling fans out through the back of
the 8010co chassis.
The fan tray red fail LED may light briefly while the fans are powering
to operational speed.
Nortel Ethernet Routing Switch 8600
NN46205-303 01.01 Standard
4.1 2 January 2007
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