Self-installation guide for your Cisco 3848 modemInstallation Time: Up to 30 minutes(including activation and setup)Installation kitYour installation kit includes:If this is a replacement modem, begin by disconnecting and packing up your old equipment. Make sure to follow theinstructions in the enclosed Equipment Return guide to avoid any unnecessary charges.Modem Coaxial cable Ethernet cable Power cordImportant: If you’re replacing your modem, your Internet service won’t be operational during the replacement process. Werecommend doing this at a time when you don’t need the Internet.1Return your old modemInstall and activate your modem23Self-installationguide for yourCisco 3848 modemLocate a coaxial wall outlet. When deciding where to installyour Wi-Fi modem, consider placing it:• Central to the areas where you use the Internet most often• Close to devices you need to connect with an Ethernet cable• Preferably 3 feet from the ground• In an open space, away from any obstacle that may blockthe Wi-Fi signal, such as wireless electronics, or materialssuch as metal, concrete or mirrored surfacesConnect one end of the provided coaxial cable to the walloutlet and the other end to the CABLE input on the rear of themodem. Firmly hand-tighten the cable to avoid damaging theconnectors.12