Table 8 Module Status LED patterns during normal operation
(continued)
Recommended action
Status of hardware
LED color
LED name
Check environmental
conditions, error log, Port
One or both of the following
are true:
Flashing green (on 1
second, off 1 second)
Status LEDs, transceivers,
•
One or more
environmental ranges are
exceeded.
cables, and loopback plugs.
Correct error condition.
Clear error log. Rerun
diagnostics to verify fix.
•
Error log contains one or
more port diagnostic
error messages.
Needs attention.
Boot-up state; switch is
disabled or offline.
Amber
Port link status LED patterns
shows the LED color, meaning, and recommended action.
Table 9 Port link status LED patterns
Recommended action
Status of hardware
LED color
LED name
Check transceiver and
cable.
No light or signal carrier
(transceiver or cable) detected.
No light
Port Status
No action required.
Port is online (connected to
external device) but has no traffic.
Steady green
Verify that the correct
device is connected to port
Port is online but segmented,
indicating a loopback cable or
incompatible switch.
Slow-flashing
green (on 1
second, off 1
second)
and that the switch and
port settings are correct.
No action required.
Port is in internal loopback
(diagnostic).
Fast-flashing
green (on 1/2
second, off 1/2
second)
No action required.
Port is online with traffic flowing
through port.
Flickering green
No action required.
Port is receiving light or signal
carrier, but is not yet online.
Steady amber
Enable the port using the
portEnable
command; If
Port is disabled as a result of
diagnostics or
portDisable
Slow-flashing
amber (on 1
second, off 1
second)
the LEDs for all ports are
slow-flashing amber,
command. If the LEDs for all ports
are slow-flashing amber, the switch
could be disabled.
enable the switch by
entering the
switchEnable
command.
Check the Port Status LEDs,
error log, transceiver, and
Port is faulty.
Fast-flashing
amber (on 1/2
cable or loopback plug.
second, off 1/2
second)
Clear the error log. Rerun
the diagnostics to verify
that the error condition is
fixed.
Check configuration of FC
loop.
Port is bypassed.
Alternating green
and amber
LED patterns
23