LED name
LED color Hardware status Recommended action
No light No signal or light carrier (media
or cable) detected.
Check the transceiver and cable.
Slow flashing
green
(flashing in
two-second
intervals)
Port is online but segmented
because of a loop
back cab l e or
incompatible s
witch connection.
No action required.
Fast flashing
green
(flashing in
half-second
intervals)
Port is online and an internal
loopback diagnostic test is
running.
No action required.
Flickering
green (steady
with random
flashes)
Port is online and frames are
flowing through the port.
No action required.
Steady green Port is online (connected to
external device) but shows no
traffic.
No action required.
Slow flashing
amber
(flashing in
two-second
intervals)
Port is disabled because of
diagnostics or the portdisable
command.
Verify tha t the diagnostic tests are
not running.
Re-enable the port using the
portEnable command.
Fast flashing
amber
(flashing in
half-second
intervals)
Port is faulty. Check the management interface
andtheerrorlogfordetailson
the cause of status. Contact HP
Technical Support.
Port Status
Steady
amber (for
more than
five seconds)
Port is receiving light
or signal carrier at
4G
b/s, but is not yet online.
No action required.
SAN Switch installation guide
87
