I am getting ready to upgrade my 2.0 Arris telephony modem to a 3.0 Arris tm822g 3.0 telephony modem. Picked it up at a service center. No instructions included. I can figure out how to install and activate the new modem, but I am not sure about my existing personal router on my secured network. Do I just power cycle modem, router and computer in correct order, and network router will pickup as before, or do I have to start from scratch on configuring my router with the new modem?
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