Brocade Communications Systems VDX 6940 Hardware Installation Manual page 90

Replacing a 500W DC power supply
You can enter one of the following commands at the command line prompt to display the power
supply status:
• show chassis
• show environment power
The power supply status can also be viewed using the Web Tools application.
Replacing a 500W DC power supply
Use the following procedures to replace a 500W DC power supply.
NOTE
Before beginning the replacement, refer to the precautions in the "Power precautions" section of this
guide.
1. Ensure that the replacement power supply has the same part number and airflow label as the power
supply being replaced.
2. Before removing the power supply, first remove the DC input wires from your DC power source.
3. Unscrew the chassis attachment screws to unlock the power supply from the chassis, and then pull
the power supply out to disconnect it from the chassis backplane. Pull it completely free of the
chassis.
1
2
FIGURE 45 DC power supply assembly screws
4. Remove the DC wiring harness assembly from the power supply by unscrewing the two assembly
screws.
90
Chassis attachment screws
Assembly screws
Brocade VDX 6940 Hardware Installation Guide
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