Template:Networking tsw2xx manual sfp port leds
SFP port
| No. | Action | Describtion |  |
|---|---|---|---|
| 1 | Down LED lit | Lower port link established | |
| 2 | Down LED blinking | Lower port active traffic | |
| 3 | Up LED lit | Upper port link established | |
| 4 | Up LED blinking | Upper port active traffic | |