LED patterns
Table 15 and Table 16 summarize LED color, and meaning, as well as any recommended user
response.
Module status LED patterns
The system and power LED patterns are shown in Table 15.
Table 15 Module Status LED patterns during normal operation
Recommended actionStatus of hardwareLED colorLED
name
Verify that switch is on and completed
booting.
Switch is off, boot is not complete, or
boot failed.
No light
Mod-
ule
Status
No action required.Switch is on and functioning.Steady green
Check environmental conditions, error
log, Port Status LEDs, transceivers,
cables, and loopback plugs. Correct
error condition. Clear error log. Rerun
diagnostics to verify fix.
One or both of the following are true:
• One or more environmental ranges
are exceeded.
• Error log contains one or more port
diagnostic error messages.
Flashing green (on
1 second, off 1
second)
Needs attention.
Boot-up state, switch is disabled or off-
line.
Amber
Port link status LED patterns
Table 16 shows the LED color, meaning, and recommended action.
Table 16 Port link status LED patterns
Recommended actionStatus of hardwareLED colorLED 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 and that the switch and port settings are
correct.
Port is online but segmented, indicating a
loopback cable or incompatible switch.
Slow-flashing green
(on 1 second, off 1
second)
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
Brocade 8Gb SAN Switch for HP BladeSystem c-Class 37
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