Field Replaceable Units (Frus); Power Supply/Fan Assembly Fru Replacement - Brocade Communications Systems 5100 Hardware Reference Manual

NOTE
Diagnostic tests might temporarily lock the transmit and receive speed of the links during diagnostic
testing.
For information about specific diagnostic tests, refer to the Fabric OS Troubleshooting and Diagnostics
Guide.

Field Replaceable Units (FRUs)

The power supplies have the fans inside and can be replaced onsite without the use of special tools.
The power supply/fan assembly units are keyed to ensure correct orientation during installation.
Replacement instructions are provided with all replacement units ordered.

Power supply/fan assembly FRU replacement

The Brocade 5100 fans are fixed inside the integrated power supply/fan FRU to provide necessary
airflow to cool the whole system. There is one fan located in the rear section of each FRU. The system
software sets fan speed and measures their speeds through the tachometer interface.
The two power supply/fan assembly FRU units are hot-swappable if replaced one at a time. They are
identical and fit into either slot.
Fabric OS identifies the power supplies as follows (viewing the switch from the port side):
• Power supply #1 is on the left
• Power supply #2 is on the right
Determining power supply/fan replacement need
1. Use one of the following methods to determine whether a power supply requires replacement:
•
•
•
2. Use one of the following methods to determine whether a fan requires replacement:
•
Brocade 5100 Hardware Reference Manual
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Check the power supply status LED next to the I/O switch. If the power supply status LED is
not on, verify that the power supply is on and seated and the power cord is connected to a
functioning power source. If the light does not turn green, the power supply needs to be
replaced.
In Web Tools, click the Power Status icon.
Type the psShow command at the command prompt to display power supply status as shown
below:
switch:admin> psshow
Power Supply #1 is OK
Power Supply #2 is OK
Check the system status LED (see LED locations section for location of system status LED). If
the system status LED is flashing amber and green, it could mean the fan has failed. The
Field Replaceable Units (FRUs)
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