Brocade DCX 8510-8 Backbone Hardware Reference Manual - Manual (Page 68)

1. Check the LED indicator on the power supply. 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. The Brocade DCX 8510-8 has four power supplies. Be sure to check each
module.
2. Check the power supply status by entering psShow.
The power supply status displays OK, Absent, or Faulty. If a power supply displays absent or faulty,
contact the Brocade DCX 8510-8 supplier to order replacement parts. Both physically absent or
faulty could also be the result of the power supply not being properly seated or being turned off.
FIGURE 16 Power supply
1. Power LED
The following table describes the power supply LED patterns and the recommended actions for
those patterns.
Power supply LED descriptions TABLE 7
LED purpose Color Status Recommended action
Power No light (LED is
off) Power supply does not have
incoming power and is not
providing power to the Brocade
DCX 8510-8. Ensure that the power supply is firmly
seated, the Brocade DCX 8510-8 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 Brocade DCX 8510-8. No action required.
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.
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 following table. The Brocade DCX 8510-8 has three blowers. Be sure to check each
module.
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 Brocade DCX
Determining the status of a blower assembly
68 Brocade DCX 8510-8 Backbone Hardware Reference Manual
53-1002180-07