I have optimum online. I want to buy a second cable modem and put it downstairs. The first modem upstairs has a router, but I want to have a direct connection downstairs, and i dont want to connect wired or wirelessly unless directly from the modem. If I buy the second modem, do I have to pay a fee? And do I have to call and register it? If I do neither, will it work, or will it not connect?
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