Users Guide

Table Of Contents
Hardware Overview 155
Stacking Port LEDs
Console Port LEDs
System LEDs
The system LEDs, located on the front panel, provide information about the
power supplies, thermal conditions, and diagnostics.
Table 3-33. QSFP Port LED Definitions
LED Color Definition
Link/SPD LED
(Left single-
color LED)
Off There is no link.
Solid green The port is operating at full speed.
Solid amber The port is operating at lower than 25GE speed
Activity LED
(Right single-
color LED)
Off There is no current transmit/receive activity.
Blinking green The port is actively transmitting/receiving.
Table 3-34. Stacking Port LED Definitions
LED Color Definition
Link LED Off There is no link.
Solid green The port is actively transmitting/receiving.
Activity LED Off There is no current transmit/receive activity.
Blinking green The port is actively transmitting/receiving.
Table 3-35. Console Port LED Definitions
LED Color Definition
Link/SPD LED Off There is no link.
Solid green A link is present.