Verify that the correct device is at-
tached to the switch.
Port is online, but segmented
because of a loopback cable or
incompatible switch connection.
Slow flashing green
(on 1 second, then
off 1 second)
No action required.
Port is online and an internal
loopback diagnostic test is run-
ning.
Fast flashing green
(on 1/4 second,
then off 1/4 second)
No action required.
Port is online and frames are
flowing through the port.
Flickering green
No action required.
Port is receiving light or signal
carrier, but is not online yet.
Steady amber
Verify that the diagnostic tests are
not running. Re-enable the port us-
ing the portEnable command.
Port is disabled because of dia-
gnostics or the portDisable
command.
Very slow flashing
amber (on 2
seconds, than off 2
seconds)
Replace the SFP.
Reset the port.
SFP or port is faulty.
Fast flashing amber
(on 1/2 second,
then off 1/2 second)
Try the following:
• Verify that the power supply
FRU is powered on.
• Verify that the power supply
FRU is seated correctly.
• Check the power cable connec-
tion.
• Replace the power supply FRU.
Indicates one of the following:
• Power supply FRU is
switched off.
• Power supply FRU is not
seated correctly.
• Power cord is disconnected.
• Power cord is not actively
powered.
• The power supply FRU has
failed.
No light
Power supply
status
No action required.
Power supply is operating nor-
mally.
Steady green
Try one of the following:
• Verify that the power supply
FRU is powered on.
• Verify that the power supply
FRU is seated correctly.
• Check the power cable connec-
tion.
• Replace the power supply FRU.
Indicates one of the following:
• Power supply FRU is
switched off.
• Power supply FRU is not
seated correctly.
• The power cable is discon-
nected.
• The power supply FRU has
failed.
NOTE:
When the switch is first
powered on, the power
supply status LED shows
amber until POST has
completed.
Stead amber (for
more than 5
seconds)
Managing the 8-Gb SAN Switches64
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