LED name
LED color Hardware status Recommended ac tion
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 cable 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 traffic is flowing
through the port.
No action required.
Steady green Port is online (connected to
external device) but has no traffic.
No action required.
Slow flashing
amber (flashing
in two-second
intervals)
Port is disabled because of
diagnostics or the portdisable
command.
Verify that th e diagnostic test is
not running.
Re-enable the por t using the
portenable command.
Fast flashing
amber (flashing
in half-second
intervals)
Por t is faulty. Check the management interface
andtheerrorlogfordetailson
the cause of status. Contact HP
Technical Support.
Port Status
Steady
amber
(for m
ore than
5seco
nds)
Port is
receiving light or signal
carrier at 4 Gb/s, but is not yet
online.
No acti
on required.
SAN Switch installation guide
77
