Unplug the modem. Wait a few minutes and then plug it back in. Allow the modem to power on and perform it's boot sequence. If it fails to register, it reboots and starts from the beginning. Activation can occur when there is a solid green Internet LED on the modem. DHCP is used to retrieve an IP address, to announce capabilities and retrieve parameters for the next stage of provisioning: acquire the current time and the configuration file. I recently received an email from cox telling me that my cable modem is old and outdated. So, I purchased a new modem from amazon (MB8600) that was on the certified list. Your modem should attempt registration with your internet service provider again. The modem may reboot a few times during this process. After the cable modem connects to your cable service provider, open your Web browser on the computer that’s connected to your cable modem. Cable modem uses 64QAM for downstream data and QPSK for upstream data channels. Cable modem registration process . Using your own modem will not include these services. The advantage of cable internet is that it provides faster data rate compare to DSL and Dial-up modems. Plug the power cord from the modem to the electrical outlet. Many service providers, including Comcast, typically bring your browser to a registration … Installing your own modem is a simple process. Start by visiting the Modem Self-Install here and follow the easy step-by-step instructions to set up and activate the modem on your Suddenlink account. Tue, 09/24/2019 - 08:43 #1. krs123. Once you connect your new Optimum modem that we sent you, you'll instantly enjoy lightning fast internet speed from Optimum Online, at no additional cost. Check and hand tighten the coax cable to the cable connector on the modem. When the ranging process completes, the cable modem starts with the IP provisioning process, which initiates with the Dynamic Host Configuration Protocol (DHCP). I assumed it would self activate, but there seems to be a problem with the self registration process? The advantage of cable modem is the higher data rate compare to standard telephone system, but it needs availability of cable TV system. Whether you subscribe to Mediacom Online or another of Mediacom's Internet packages, such as Mediacom Online MAX or Mediacom VIP, you can install your own modem … If you subscribe to Xfinity Voice service, connect your telephone to the Tel 1 connection on your Gateway or modem using a telephone cord. You should see status indicators on the modem to let you know its progress. Top. Then refresh the screen or try to go to a Web site. Last post. Log in or register to post comments . Make sure this connection is finger tight. 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