LEDS
¾
1) LEDs lie at the left side of the panel (1000Mbps Link/Act LED of the SFP
lie at right side of the SFP).
2) Power LED: solid red when power is supplied to the switch and is
operating normally.
3) System LED: solid green when CPU of the switch works normally.
4) 10/100Mbps LED: When a 10/100Mbps port connect to a 100Mbps
device, the corresponding LED turns on in solid green; When the port
connects to a 10Mbps device, the LED turns off.
5) 10/100/1000Mbps LED: When a 10/100/1000Mbps port connect to a
1000Mbps device, the corresponding LED turns on in solid green; When
the port connect to a 10/100Mbps device, the LED turns off.
6) Link/Act LED: Solid green when a valid link is established on the port;
Flashes green when packet transmission or reception is occurring on the
port. (SFP port has Link/Act LED only and must connect to 1000Mbps
device.)
The following shows the front panel of TL-SG2109WEB, TL-SL2218WEB, TL-
SL2428WEB and TL-SL2452WEB: