53-1002177-19 Hardware Installation Guide
Brocade DCX 8510-4 Backbone Hardware Installation Guide
Figure 50: Power supply
1. Power LED
The following table describes the power supply LED patterns and the recommended actions for those patterns.
Table 18: Power supply LED descriptions
LED purpose Color Status Recommended action
No light (LED is off) Power supply does not have
incoming power and is not
providing power to the device.
Ensure that the power supply
is firmly seated, the device has
incoming power, both power
cables are connected, and AC
power switches are on.
Steady green Power supply has incoming
power and is providing power to
the device.
No action required.
Power
Flashing green Power supply is about to fail. Replace the power supply.
Determining the status of a blower assembly
Complete the following steps to determine the status of a blower assembly. The Brocade DCX 8510-4 has two blowers.
1. Check the LED indicators on the blower assembly. The LED patterns may temporarily change during POST and other
diagnostic tests; for information about how to interpret the LED patterns, refer to the following table. Be sure to check
all the blower modules.
2. Check the blower assembly status using the fanShow command.
The status for each blower assembly displays OK, Absent, or Faulty. The RPM of each fan in the assembly is also
provided. If a blower assembly displays absent or faulty, contact the device supplier to order replacement parts. Both
physically absent or faulty could also be the result of the power supply not being properly seated.
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