Installation Guide

Table Of Contents
5520-VIM Port LEDs in Default (SYS) Mode
In the default SYS mode, SPD is OFF, and the port status will display behavior for link, trac, and PoE as
described in the following table:
Table 32: 5520-VIM Port LEDs in SYS Mode (default)
Color/State Meaning
Steady green Link is OK; port is not powered
Blinking green Link is OK and transmitting packets; port is not powered
Slow blinking green Port is admin disabled
O Port is not powered, has no link
5520-VIM Port LEDs in SPD Mode
SPD mode is used to help determine the operational speed of a port. Color and blink pattern indicate
speeds, as referenced by the following table:
Table 33: 5520-VIM Port LEDs in SPD Mode
Color/State Speed
Slow blinking green 10Gbps
Solid green 1Gbps
Fast blinking green 25Gbps
5520-VIM Port LEDs in Default (SYS) Mode Monitoring the Device
124 ExtremeSwitching 5520 Series Hardware Installation Guide