2.3 The Front LEDs 1 PPP :
Lit steady when there is a PPPoA / PPPoE connection.
2 ADSL: Lit when successfully connected to an ADSL DSLAM (“linesync”)
3 USB: Lit when the USB port is connected to the PC and working properly
4 LAN Port :
Lit when connected to an Ethernet device.
Green for 100Mbps; Orange for 10Mbps.
Blinking when data is Transmitted / Received.
5 SYS : Lit when the system is ready.
6 PWR : Lit when power is ON.
7