A router with 4 ports is all you need. You already have the modem, why try to configure another one? Provisioning a DSL modem is not for the faint of heart. Just get a router with WiFi, plug the modem into the router's WAN input and then plug the MJ into one of the LAN ports, your computer into another, or connect with the WiFi of the router. There's a bit more to configuring than this but if you IM me I'd be happy to provide you all the details you need. -- Sierra 313U/AT&T 4G LTE in Cradlepoint CTR500 router, 2 LinkSys WiFi a/p, 4 XPPro units, FireFox everywhere.