the box say that this modem be not compatible with Time Warner , but I buy one on a hunch and decide to try it with Time Warner SoCal , and contrary to what the box say , it work -lrb- it be docsis 3.0 , after all -rrb- . it take a lengthy conversation with a -lrb- quite knowledgeable -rrb- level 3 tech to get it work , but it do work . the UpStream\/DownStream light definitely help with the diagnosis . accord to the tech , the modem be not request a IP address from the TimeWarner servers-even though it be synce . I even try manually refresh the IP -lrb- LAN side -rrb- and it would not work . HOWEVER , once I reboot the system on the LAN side , the cable modem then make a request and everything work . strange , because the modem should request a IP regardless if anything be plug into the LAN side .