Users Guide

Table Of Contents
156 Hardware Overview
Stacking Port LEDs
Table 3-33. SFP+ Port LED Definitions
LED Color Definition
Link/SPD LED
(Left bi-color
LED)
Off There is no link.
Solid green The port is operating at 10 Gbps.
Solid amber The port is operating at 1 Gbps.
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. 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 3-35. 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.