DLink DCM-201
Power Red - Modem has Power
Off- Check Power cable, no power
Cable Flashing Orange - Searching for Downstream
Solid Orange - Searching for Upstream
On - Upstream and Downstream locked
Status Flashing - Modem is Registering onto ISP network
On - Modem Online
ETH On - Ethernet Cable Plugged in
Flashing - Activity over ethernet
USB On - USB Connected
Flashing - Activity over USB Connection
Manuals and Support Information

Manual
Manufacturer Site