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Identifying the airflow direction
The power supply and fan assemblies are identified by the following airflow directions:
•
Intake power supply and fan assembly with an orange "I" label or without any label: Pulls air from the nonport-side of the
switch and exhausts it out the port side.
•
Exhaust power supply and fan assembly with a green "E" label: Pulls air from the port side of the switch and exhausts it out
the nonport-side.
Power supply and fan assembly status LED
Refer to the following table to interpret the power supply and fan assembly status LED during normal operation.
TABLE 14 Power supply and fan assembly status LED patterns during normal operation
LED color
No light
Steady green
Flashing green (for more than 5 seconds)
Brocade G620 Hardware Installation Guide
53-1003990-06
Description
Power supply and fan assembly is not receiving
power, or is off.
Power supply and fan assembly is operating
normally.
Power supply and fan assembly is faulty for one
of the following reasons:
•
The assembly is switched off (flashing
for ~ 5 seconds, then off).
•
The power cable is disconnected
(flashing for ~ 5 seconds, then off).
•
The power supply and fan assembly
has failed.
NOTE: When the device is first powered on, the
power supply and fan assembly status LED
flashes until POST has completed.
–
Nonport-side air intake
–
Port-side air exhaust
–
Back-to-front (nonport-side to port-side) airflow
–
Part numbers ending with -R
–
Nonport-side air exhaust
–
Port-side air intake
–
Front-to-back (port-side to nonport-side) airflow
–
Part numbers ending with -F
Action required
Verify that the power supply and fan assembly is
on and seated and the power cord is connected
to a functioning power source.
No action is required.
Try one of the following:
•
•
•
Power supply and fan assembly status LED
Check the power cable connection.
Verify that the assembly is powered
on.
Replace the power supply and fan
assembly.
73
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