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Motorola MG8702 Quick Start Manual

Docsis 3.1 cable modem plus ac3200 router
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Quick Start
Cable Modem
plus AC3200



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  Summary of Contents for Motorola MG8702

  • Page 1 Quick Start DOCSIS 3.1 Cable Modem plus AC3200 Router MG8702...
  • Page 2 Packaged with your MG8702 modem/router Power Cube 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

    Sometimes there’s a coax wall jack available, and you connect to the jack with a coax cable. Your MG8702 can also share a coax cable attached to a TV by using a coax splitter. Please note that a badly chosen splitter reduces a cable modem's speed;...
  • Page 4 USB 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 to the modem’s COAX connector as discussed above.
  • Page 5: Prepare To Activate

    You should have a recent cable bill handy because it has your account number and you’ll probably need that. If you’re asked for information about the MG8702, you can find this on the label on the bottom of the modem/router.
  • Page 6 Once you have activated, try to browse the Web using a device connected via Ethernet or WiFi to the MG8702. (See the section Wireless Router, below for information on connecting via WiFi). If browsing works, Congratulations! Your MG8702 is working.
  • Page 7: Configuration Manager

    MG8702. (See WiFi setup page.) • 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/or optimizing wireless performance.
  • Page 8: Wireless Router

    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, WiFi- capable printers, and 2.4 GHz cordless phones and base...
  • Page 9 WiFi setup. If possible, do this configuration by connecting a computer with Ethernet to any of your Motorola modem/router’s Ethernet ports. You can also do this configuration by using your smartphone or another WiFi device that has a Web browser.
  • Page 10 Wireless Network Name and Password for the 5 GHz band you’ve been using, if any. If you haven’t been using a 5 GHz band and your Motorola modem/router has a 5 GHz band, here’s a good way to pick a network name and password.
  • Page 11: 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 Scanning for DS channel Blinking: Connected on 1 Green ON: Downstream channel Green or...
  • Page 12 Blinking: USB is synching ?? Light will remain solid Green when USB port is in use Blinking: Ethernet data is flowing Rear Panel Connected at 1 Gbps Green or Green: Ethernet LAN Amber Amber: Connected at 10 or 100 Mbps port(s) OFF: No connection...
  • Page 13: 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 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 14 This lets you see whether your home’s cabling is a problem. • If you’re using a splitter with your MG8702, try the MG8702 without the splitter to see if that helps. If it does, you may need to get a better splitter, one with a top frequency of at least 1,000 MHz.
  • Page 15 MG8702. Use these unless you changed them. If you changed them, try to remember where you put the new values. If you have a device that connects wirelessly to the MG8702, it may show the Wireless Network Name/SSID and Password. You can also find this information in the MG8702 Configuration Manager.
  • Page 16: Limited Warranty

    We like to help. Please visit our support Website or call our support specialists. Our Website has our Motorola Mentor information, and also provides returns and warranty information. Email: Phone: 800-753-0797 or 617-753-0562 Our full-length user manual is available at
  • Page 17 Safety Precautions These precautions help protect you and your MG8702.  Do not put the MG8702 or its power cube 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.