Installation 2-25
5150 Service Aggregation Switch Hardware Installation and Start-up Manual
009-3222-001 Standard Revision H
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2012-2015 Ciena
®
Corporation July 2015
14 Verify the power supply LEDs. The following LED indications should be
present on the 5150:
• PS A - Status LED is solid green, Input LED is solid green
• PS B - Status LED is solid green, Input LED is solid green
• PWR - solid green
Note: The system does not distinguish between a faulty and an unpowered
supply. As a result, if redundant power supplies are installed, but only one
supply is connected to a power source, the unpowered supply will cause the
system to report an alarm state (ALRM LED solid yellow and STAT LED off).
This alarm will be cleared when the power supply is properly initialized.
Note: The system can operate with only one power supply receiving power.
But both power supplies must be installed. Power from the backplane of the
chassis will be used to activate the fans in the unpowered supply and assist
with cooling the 5150.
The power supplies have now been installed and the system has been
powered on.
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