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Motorola MG8702 Quick Start Manual

Docsis 3.1 cable modem plus ac3200 wifi router
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DOCSIS 3.1 cable modem plus
AC3200 WiFi router
Model MG8702
Quick Start



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  Summary of Contents for Motorola MG8702

  • Page 1 DOCSIS 3.1 cable modem plus AC3200 WiFi router Model MG8702 Quick Start Guide...
  • Page 2 Packaged with your MG8702 modem/router Power Adapter Coax Wrench Ethernet Cable Velcro Cable ® Organizer Para una Guía de Inicio Rápido en español, por favor vaya a
  • Page 3: Let's Get Started

    Connecting to a coax cable See the connection photo on the next panel. Connect your MG8702 to a “live” coax cable. Sometimes a cable will already be available. Sometimes there’s a coax wall jack available, and you connect to the jack with a coax cable.
  • Page 4 USB 3.0 Port WPS button WLAN button WiFi on/off button RESET ETHERNET (LAN 1-4) You can connect a computer, HDTV, game station, or other Ethernet-capable device to any of these 4 LAN ports. COAX Connect a “live” coax cable (not included) to the modem’s COAX connector as discussed above.
  • Page 5 Others, like Comcast Xfinity and Cox, prefer that you activate by opening the Web browser of a computer. It’s best if the computer is plugged into one of the MG8702’s Ethernet ports, but connecting with WiFi also works as discussed below.
  • Page 6 1 (855) 707-7328 WOW! 1 (800) 343-2076 If you’re asked for information about the MG8702, refer to the photo you took of the label on the bottom of the modem/router. A sample label is shown below. The information highlighted in yellow below will be unique on...
  • Page 7 When your MG8702 is activated either online or by phone, your service provider will provision your MG8702 service. This usually takes less than five minutes, but sometimes takes 30 minutes or longer. Once you have activated, try to browse the Web using a device connected via Ethernet or WiFi to the MG8702.
  • Page 8: Configuration Manager

    MotoManage app on your smartphone or tablet. Open the app. Scan the QR code on the bottom of your MG8702 (or scan it from the photo you printed) to join your device’s WiFi network. Now enjoy the app. You can easily elect to keep your original name and password, as we recommend.
  • Page 9 • You want to set up special Internet gaming settings. • You want to get performance information about the MG8702 modem and/or built-in router. This can be helpful in diagnosing DOCSIS performance issues and optimizing wireless performance. If you need to access the MG8702 Configuration Manager, open your Web browser.
  • Page 10 Please note that if your previous network name was 5 or less characters or the wireless password was 7 or less characters, you cannot change the Motorola password to match your previous network. If possible, connect a computer with Ethernet to any of your modem/router’s Ethernet ports.
  • Page 11 Reset button on the back of the modem/router for 10 seconds (a paperclip helps). Those names and passwords are printed on the bottom label of your MG8702 (and on the photo you took with your phone).
  • Page 12 Note that wireless performance depends on a number of factors. Please keep these things in mind: • Where possible, put the MG8702 in a central place so that it’s not too far away from your other wireless devices. • Try to avoid interference from other wireless devices such as Bluetooth headsets and stereos, microwave ovens, wireless printers, and 2.4 GHz cordless phones and base stations.
  • Page 13: Usb 3.0 Port

    USB 3.0 Port A USB 3.0 port is located on the back of the MG8702. You can choose to use this port for File Sharing by the devices on your local network. Log in to the Configuration Manager (see Configuration Manager section above) Navigate to Advanced >...
  • Page 14: Front Panel Lights

    Front Panel Lights During power up, the lights will blink for about a minute. LIGHT COLOR DESCRIPTION MG8702 power on Green OFF: MG8702 power off Power Green Blinking: Scanning for DS channel Green ON: Connected on 1 channel Blue Blinking:...
  • Page 15: Troubleshooting Tips

    Troubleshooting Tips What if I can’t make an Internet connection right after installation? • First turn your MG8702 off for at least 8 seconds, then back on, to see if that fixes the problem. • Check the connections you’ve made to your MG8702. Power and coax connections are required, and up to 4 Ethernet connections are optional.
  • Page 16 What if my MG8702 has been working, then stops working? • First turn your MG8702 off for at least 8 seconds, then on, to see if that fixes the problem. • If the MG8702’s lights don’t come on, check that the modem is getting power from its power adapter and that the MG8702’s...
  • Page 17 What if I'm told that my MG8702 isn't approved by my cable service provider? That’s probably a mistake. Leading cable service providers have a list of certified cable modems for each of their Internet speeds. You can check the list for your service provider. You can also find information about certifications at
  • Page 18 Where possible, put the MG8702 as far away as possible from interfering devices such as Bluetooth transmitters and neighbors’ WiFi routers. Try to pick a less used wireless channel for your MG8702 by following the steps below: Open your MG8702’s Configuration Manager as discussed above.
  • Page 19: We're Here To Help You

    We’re here to help you. Feel free to visit our support Website or call our support specialists. Our Website features helpful Motorola Mentor information, as well as information about returns and warranty information. Email: Phone: 800-753-0797 or 617-753-0562 Our full-length user manual is available at
  • Page 20 Safety Precautions These precautions help protect you and your MG8702.  Do not put the MG8702 or its power adapter in water, since this is a shock hazard.  The MG8702 should normally be installed indoors. If you use it outdoors, protect it from moisture and be careful about temperature.