Brocade Communications Systems DCX Backbone, Hardware Installation Manual, Page: 103 / 167

6. Verify that the power LED on the power supply displays a steady green light.
7. If you are installing two additional power supplies to bring the total power supplies up to four, perform one or both of the
following tasks to enable sending notifications if one power supply fails.
NOTE
A maxiumum of four power supplies can be installed in the chassis.
• For Fabric Watch monitoring, change the switchStatus policy settings to the following:
switch.status.policy.PowerSupplies.down = 1
switch.status.policy.PowerSupplies.marginal = 0
For more details on executing the switchStatusPolicyShow and switchStatusPolicySet commands, refer to the Fabric OS
Command Reference .
• For Monitoring and Alerting Policy Suite (MAPS) monitoring, follow procedures to update the active MAPS power supply
switchstatus policy settings for four PSU devices in the "Additional MAPS features" section of the
Brocade Monitoring and
Alerting Policy Suite Administrator's Guide .
Removal and replacement of the blower assembly
This procedure provides instructions for removing and replacing a blower assembly.
ATTENTION
The Brocade DCX can continue operating during the replacement if the other two blower assemblies are operating,To ensure
continuous adequate cooling, maintain three operating blower assemblies at all times except for the brief period when replacing
a blower assembly.
Time and items required
The replacement procedure for each blower assembly takes less than 5 minutes. The following items are required for the blower
assembly replacement:
• Replacement blower assembly
• #2 Phillips screwdriver
Removing a blower assembly
1. Before removing a blower assembly, verify that the other blower assemblies are functioning correctly. The power LEDs should
be steady green.
2. Use the screwdriver to loosen the captive screws at the top and bottom of the blower assembly.
Removal and replacement of the blower assembly
Brocade DCX Backbone Hardware Installation Guide
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