Fibre Channel Port Status Leds; Port Speed Led; Port Status Led; Port Diagnostics Led - IBM Brocade 4 Gb SAN Switch Module Installation Manual

Fibre channel port status LEDs

There are three port lights located directly to the right of each of the six Fibre Channel external ports
on the front panel of the switch module. These lights indicate the speed, status, and diagnostics of
that Fibre Channel external port.

Port speed LED

This green LED is located at the top of the three LEDs. When this LED is
• Green and steady, the indicated port is operating at 4 Gbps.
• Not lit, the indicated port is operating at 1 Gbps or 2 Gbps.

Port status LED

This green LED is located in the middle of the three LEDs. When this LED is:
• Green and steady, the indicated port is online.
• Green and flickering, the indicated port is connected and Fibre Channel activity is occurring on
that port.
• Green and flashing slowly, the indicated port is online but segmented from the connected switch
or device.
• Green and flashing rapidly, the indicated port is in the internal loopback mode because of
diagnostics.
• Not lit, indicates that there is no signal or the port diagnostics LED is active on the indicated
port.

Port diagnostics LED

This amber LED is located at the bottom of the three LEDs. When this LED is
• Amber and steady, the indicated port signal is present but not online.
• Amber and flashing slowly, the indicated port has been disabled, or switch beaconing is on.
• Amber and flashing rapidly, indicates the port-diagnostics program has discover an error (port
fault).
• Not lit, indicates there are no faults on the indicated port.
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Brocade 4 Gb SAN Switch Module: Installation Guide