Arris Touchstone 450a (CM450) Modem "twc connect" Questions

...connect to Timer Warner Cable's network. The little power light is on, but none of the others are. I have tried (a)disconnecting and re-connecting all the cables and (b) resetting the button on the ...

TWC's approved modem list, cannot get it to connect at all. I tried reset after reset 5 or 6 times now, still nothing....... I tried contecting with a router(netgearWNDR3400v3), and directly to my pc.