Port Led Patterns During Normal Operation - IBM 2498B24 - System Storage SAN24B-4 Switch Installation, Service And User Manual

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SAN24B-4 Express Installation, Service, and User Guide
Table 6. Port LED patterns during normal operation
LED name LED color
Port status No light
Steady green
Slow-flashing green
(on 1 second, off 1
second)
Fast-flashing green
(on 1/4 second, off
1/4 second)
Flickering green
Steady amber
Slow-flashing amber
(on 1 second, off 1
second)
Fast-flashing amber
(on 1/4 second, off
1/4 second)
Recommended
Status of hardware action
No light or signal Check SFP and cable.
carrier (SFP or cable)
detected.
Port is online No action is required.
(connected to
external device) but
has no traffic.
Port is online but Verify that the correct
segmented, device is connected
indicating a loopback to the port and that
cable or incompatible the switch and port
switch. settings are correct.
Port is in internal No action is required.
loopback (diagnostic).
Port is online, with No action is required.
traffic flowing
through port.
Port is receiving light No action is required.
or signal carrier but
is not yet online.
Port is disabled as If all ports are
the result of slow-flashing amber,
diagnostics or the switch could be
portDisable disabled. Enable the
command. If all ports port using the
are slow-flashing portEnable
amber, the switch command; refer to
could be disabled. Fabric OS Command
Reference Manual for
more information.
If all ports are
slow-flashing amber,
enable the switch
(switchEnable
command).
Port is faulty. Check the Port Status
LEDs, error log, SFP,
and cable or
loopback plug. Clear
the error log. Rerun
the diagnostics to
verify that the error
condition is fixed.