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D-4
Cisco Nexus 5500 Platform and Cisco Nexus 5000 Platform Hardware Installation Guide
OL-xxxxx-xx
AppendixD LEDs
Port LEDs
Port LEDs
This section includes the following topics:
•Ethernet Port LEDs, page D-4
•Ethernet and Fibre Channel LEDs, page D-4

Ethernet Port LEDs

Table D -3 lists the LED descriptions for the RJ-45 Ethernet port LEDs.

Ethernet and Fibre Channel LEDs

There are 20 to 26 port activity LEDs on the switch depending on whether the GEM is a Fibre Channel
or 10-Gigabit Ethernet module. Table D -4 describes the behavior of the port LEDs.
AC present, 3.3 voltage standby (VSB) on, and the power supply unit is off.
For a DC power supply, it indicates that DC power is present.
Blinking Off
Power supply on and OK. On Off
TableD-2 Power Supply LED Descriptions (continued)
Power Supply Condition
OK LED
(Green)
FAIL LED
(Amber)
TableD-3 Ethernet Port LED Descriptions
LED Status Description
Left Off No link
Solid green Physical link
Right Off No activity
Blinking green Activity
TableD-4 Port-Level LEDs
Link State LED State Notes
Link Down OFF —
POST failed on port AMBER blinking yellow —
Administrative disabled AMBER_ON Depending on the product you look at, the
LED could be off, or solid amber
Link Up,
port in STP forwarding
state
GREEN_ON Blinks based on network activity