Nortel 8600 - Turning On DC Power Supplies

36 Installing the chassis
After you turn on the Ethernet Routing Switch 8000 Series, each module
automatically initiates a diagnostic test to verify proper module function.
If the power supply LED remains off, do the following:
Step Action
1
Turn the power switch on each power supply to the off position.
2
Wait 1 minute.
3
Turn the power switch on each power supply to the on position.
—End—
Turning DC power supplies on
Step Action
1
Turn the power switch on each DC power supply to the on position.
It is not necessary to remove the bezel to turn the switch on.
Note: 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.
2
Verify that the power output LED for each power supply lights green.
3
Verify that the power supply status LEDs and the fan LED on the
8691SF or 8692SF CPU modules light green.
Note: The fan tray red fail LED may light briefly while the fans
are powering to operational speed.
—End—
After you turn on the Ethernet Routing Switch 8000 Series, each module
automatically initiates a diagnostic test to verify proper module function.
If the power supply LED remains off, do the following:
Nortel Ethernet Routing Switch 8600
Quick Start
NN46205-310 01.01 Standard
4.1 21 December 2006
Copyright © 2006 , Nortel Networks Nortel Networks Confidential
.