NEC SIGMABLADE N8406-020 - Manual (Page 43)

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4. Port status LED (located to the left of each port number)
LED status Description
OFF
No signals are sent to the SFP module, a proper cable is not
connected to the SFP module or a fibre channel device is not
connected to the SFP module.
Illuminating in green No traffics flow in the online status (with a device connected).
Blinking in green
(irregular blinking)
The port is in the online status and traffics flow through the port.
Illuminating in umber
The port receives optical signals but does not enter into the
online status yet.
Blinking in umber slowly
(1-sec interval)
As a result of self-diagnosis, a malfunction is found in the port
and the port is in the disable status. *
Blinking in umber fast
(0.25-sec interval)
The port is in the fault status. *
Blinking in umber and green
alternately
The port is in the bypass mode. *
„ A device error occurs in each status with asterisk mark (*) in the table
above. Contact your service representative.
5. Port speed LED (located to the right of each port number)
LED status Description
OFF 1G bps mode
Illuminating in green 2G bps mode
Illuminating in umber 4G bps mode
„ The FC Switch Module does not support the connection of a device with port
data rate 1Gbps yet.