Linkskey LKS-SG5P - Manual (Page 4)

3
LKS-SG5P / LKS-SG8P
LED
D
Power LED
Green：Power is on
Not Illuminated：Power is off
Link/Act LED
Green(Solid)：indicate that the port is operating at 10 or 100Mbps.
Orange(Solid)：indicate that the port is operating at 1000Mbps.
Blinking : indicate that there is activity of data occurring at the port.
Not illuminated：indicate that the link is not established at the port.