The SFP ports include two LEDS on models ISW 4GbP, 2GbT, 2-SFP, ISW 4-10/100P, 2-10/100T, 2-SFP, ISW 8-10/100P, 4-SFP, and ISW 8GbP, 4-SFP. The following table describes the colors and the states for the LEDs.
| SFP Port LED | Color/State | Meaning |
|---|---|---|
| Link/Activity | Off | No link. |
| Solid Green | Link is up but no traffic is detected. | |
| Flashing Green | Link is up and traffic is detected. | |
| Speed | Off | No link or a SFP port speed 100Mbps connection is detected. |
| Solid Amber | A 1000Mbps connection is detected. ISW 8GbP, 4-SFP+: A 1/2.5/10Gbps connection is detected. |
The SFP+ ports include two LEDS. On the ISW 8GbP, 4-SFP+ switch model, the LED on the left is for link/activity and the LED on the right is for speed. On the ISW 24GbP, 4-SFP switch model, the LED on top is speed and the LED on the bottom is for link/activity. The following table describes the colors and the states for the LEDs.
| SFP+ Port LEDs | ||
|---|---|---|
| Link/Activity | Off | No link |
| Solid green | Link is up but no traffic is detected. | |
| Flashing green | Link is up and traffic is detected. | |
| Speed | Off | No link or a 100Mbps connection is detected. |
| Solid amber | A 1/2.5/10Gbps connection is detected. |
