Brocade Communications Systems Brocade 6520 Hardware Reference Manual page 31

TABLE 7
LED name
Ethernet
Speed (green)
Ethernet
Activity/Link
(green)
Optical media
port status
(one bi-color
LED for each
FC port)
Brocade 6520 Hardware Reference Manual
53-1002705-01
Port side LED patterns during normal operation (Continued)
LED color Status of hardware
No light Port speed is 10 Mbps.
Steady green Port speed is 100 or 1000
Mbps.
No light There is no link.
Steady green There is a link.
Blinking green There is link activity (traffic).
Off There is no light or signal carrier
(module or cable).
Steady amber The port is receiving light or
carrier, but is not online.
Slow blinking amber The port is disabled (by
(2 sec) diagnostics or by portDisable
command).
Fast blinking amber The port has failed.
(1/2 sec)
Steady green The port is online.
Slow blinking green The port is online but is
(2 sec) segmented (loopback cable or
incompatible switch).
Fast blinking green There is an internal loopback
(1/2 sec) (diagnostic).
Flickering green The port is online and frames
are flowing through the port.
LED activity interpretation
Recommended action
No action required.
No action required.
Verify that the Ethernet cable is
connected correctly.
No action required.
No action required.
Verify that the transceiver is installed
correctly and that the cable is
connected correctly.
No action required.
Verify that the diagnostic tests are not
being run. Re-enable the port using the
portEnable command.
Check the management interface and
the error log for details on the cause of
the failure. Contact Technical Support
if necessary.
No action required.
Check the firmware level of the
attached switch.
No action required.
No action required.
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