110 Hardware Overview
Table3-16 shows the 100/1000/10000Base-T port LED definitions.

Module Bay LEDs

The following tables describe the purpose of each of the module bay LEDs when SFP+ and 10GBaseT modules are used.
Table 3-7. 100/1000/10000Base-T Port Definitions
LED Color Definition
Link/SPD LED Off There is no link.
Solid yellow The port is operating at 10/100 Mbps.
Solid green The port is operating at 1000 Mbps.
Activity LED
(on non-PoE
switches)
Off There is no current transmit/receive activity.
Blinking green The port is actively transmitting/receiving.
Activity/PoE
LED (on PoE
switches)
Off There is no current transmit/receive activity
and PoE power is off.
Blinking green The port is actively transmitting/receiving and
PoE powe r is of f.
Blinking yellow The port is actively transmitting/receiving and
PoE powe r is on .
Solid yellow There is no current transmit/receive activity
and PoE power is on.
Table 3-8. SFP+ Module LED Definitions
LED Color Definition
Link/SPD LED Off There is no link.
Solid green The port is operating at 10 Gbps.
Solid amber The port is operating at 1000 Mbps.
Activity LED Off There is no current transmit/receive activity.
Blinking green The port is actively transmitting /receiving.