Orange - System Failure has Occurred.
Off - Normal
Cable Link
On - Modem is online
Off - Modem still Ranging
Upstream
On - Data being sent by modem to ISP
Off - No data being sent
Downstream
On - Data being received
Off - No data being sent
Wireless
On - Access Pooint is active and on
Flashing - Data being sent/received over the wireless
LAN
Green - Port is connected at 100Mbps
Flash Green - Data being transmitted
Yellow - Port is connected at 10Mbps
Flash Yellow - Data being transmitted
Off - No Connected detected
USB
On - Connection detected
Flashing - Data being sent over USB