Cisco Systems SFS 3012 User Manual

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 explains the FC port activity LED.
Ethernet Gateway LEDs
The Ethernet gateway provides one yellow (amber) LED and one green LED. 
describes the LED indications.
Ethernet Port LEDs
Ethernet port LEDs appear on the Ethernet ports. 
 displays the Ethernet interface LEDs.
Figure 5-7: Ethernet Interface LEDs
 explains Ethernet port LED indications.
Table 5-11: Interpreting the Fibre Channel Port Activity LEDs
Color
Description
off 
No system power or LED failure. 
solid yellow
Fan error detected. Operator intervention required. 
solid green
Fans running with no detected errors. 
Table 5-12: Gateway LED Indications
Display
Indication
yellow on, green off
Auxiliary power has reached the gateway.
green on, yellow off
Gateway runs successfully.
green on and yellow on An error has occurred
Table 5-13: Ethernet Port LED Indications
LED State
Indication
Status LED off
No physical link.
Status LED solid
Successful physical link.
Activity LED off
No logical link.
Activity LED blinking
Traffic runs over the port.
Activity LED solid
Logical link established but traffic does not yet run.
status
activity