Administrator Guide

Hardware Overview 105
Figure 3-4. 100/1000/10000Base-T Port LEDs
Table 3-1 shows the 100/1000/10000Base-T port LED definitions.
Table 3-1. 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 power is off.
Blinking yellow The port is actively transmitting/receiving and
PoE power is on.
Solid yellow There is no current transmit/receive activity
and PoE power is on.
Link/SPD Activity