E-4
Cisco Nexus 2000 Series Hardware Installation Guide
AppendixE LEDs
Port LEDs
Port LEDs
This section includes the following topics:
•Ethernet Port LEDs, page E-4
•Ethernet and Fibre Channel LEDs, page E-4

Ethernet Port LEDs

Table E -4 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 FEX depending on whether the module is a Fibre Channel
or 10-Gigabit Ethernet module. Table E -5 describes the behavior of the port LEDs.
Power supply warning events where the
power supply continues to operate
(high temperature, high power, and
slow fan)
Off Blinking
AC present and power supply unit off Blinking Off
Power supply On and OK On Off
TableE-3 Power Supply LED Indicators for the Cisco Nexus 2148T (continued)
Condition INPUT OK LED Status (Green) OUTPUT OK LED Status (Red)
TableE-4 Ethernet Port LED Descriptions
LED Status Description
Left Off No link
Solid green Physical link
Right Off No activity
Blinking green Activity
TableE-5 Port-Level LEDs
Link State LED State Notes
Link Down OFF —
POST failed on port AMBER blinking yellow —