Motorola MG7315 User manual

User Manual
8x4 Cable Modem
plus
N450 Wireless Router
MG7315
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NOTICE
This document contains proprietary information protected by copyright, and this Manual
and all the accompanying hardware, software, and documentation are copyrighted. No part
of this document may be photocopied or reproduced by mechanical, electronic, or other
means in any form.
The manufacturer does not warrant that the hardware will work properly in all
environments and applications, and makes no warranty or representation, either expressed
or implied, with respect to the quality, performance, merchantability, or fitness for a
particular purpose of the software or documentation. The manufacturer reserves the right
to make changes to the hardware, software, and documentation without obligation to notify
any person or organization of the revision or change.
All brand and product names are the trademarks of their respective owners.
© Copyright 2016 MTRLC LLC
All rights reserved.
SAFETY
This equipment is designed with the utmost care for the safety of those who install and use
it. However, special attention must be paid to the dangers of electric shock and static
electricity when working with electrical equipment. All guidelines of this and of the
computer manufacture must therefore be allowed at all times to ensure the safe use of the
equipment.
CAUTION:
•Do not put the cable modem/router in water.
•Do not use the cable modem/router outdoors.
•Keep the cable modem/router in an environment that is between 0°C and 40°C
(between 32°F and 104°F).
•Do not place any object on top of the cable modem/router since this may cause
overheating.
•Do not place the cable modem/router in a confined space that may cause overheating.
•Do not restrict the flow of air around the cable modem/router.
•MOTOROLA and MTRLC assume no liability for damage caused by any improper use of
the cable modem/router.

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Table of Contents
Introduction 9
Quick Start 10
Alternate Ways to Connect Your Coax Cable 18
Connecting Devices to Your Cable Modem/Router 19
CONNECTING A DEVICE VIA ETHERNET ............................................................................................... 19
CONNECTING A SMARTPHONE,TABLET OR OTHER WIRELESS DEVICE VIA WIRELESS ............................... 20
Setting up an HDTV, Streaming Media Device, or Other Device 21
Accessing the Configuration Manager by Using a Browser 22
Configuring Your MG7315 to Support Devices and Applications with Special
Requirements 28
FOR GAMES PLAYED ON GAME CONSOLES AND PCS,AND SECURITY CAMERAS ..................................... 28
TO CREATE A PORT FORWARDING RULE ............................................................................................... 31
Changing Wireless Settings 35
TO CHANGE THE NETWORK NAME AND PASSWORD............................................................................. 37
WIRELESS GUEST NETWORKS ............................................................................................................ 38
Changing Firewall Settings 40
Tuning Wireless Performance 42
WI-FI MULTIMEDIA (WMM) ............................................................................................................. 46
Parental Control 47
SETTING UP A BLACKLIST................................................................................................................... 49
SETTING UP A WHITELIST .................................................................................................................. 51
SETTING UP TIMES WHEN INTERNET ACCESS IS ALLOWED AND NOT ALLOWED ...................................... 53
Changing Your MG7315’s Username and Password, and Resetting to Factory
Defaults 55
CHANGING YOUR MG7315’S USERNAME AND PASSWORD ................................................................. 55
RESETTING TO FACTORY DEFAULTS .................................................................................................... 56
Configuring Alternate Wi-Fi Security Settings 56
ALTERNATIVES TO WPA2--WPA, WEP AND RADIUS ......................................................................... 56
Troubleshooting Tips 60
WHAT IF ICAN’T MAKE AN INTERNET CONNECTION RIGHT AFTER INSTALLATION? .................................... 60
WHAT IF MY MG7315 HAS BEEN WORKING,THEN STOPS WORKING?.................................................... 60
WHAT IF I’M GETTING INTERNET SERVICE BUT MY SPEED IS DISAPPOINTING? .......................................... 61
WHAT IF I'M TOLD THAT MY MG7315 ISN'T APPROVED FOR MY MG7315 SERVICE? .............................. 61
WHAT IF IAM CONNECTED WIRELESSLY BUT MY CONNECTION SEEMS SLOW OR KEEPS DROPPING?........... 61

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WHAT IF IDON’T KNOW MY MG7315’S WIRELESS NETWORK NAME/SSID OR SECURITY KEY/PASSWORD?
....................................................................................................................................................... 62
WHAT IF ITHINK THAT WIRELESS DEVICES ARE INTERFERING WITH MY MG7315 WIRELESS ROUTER? ........ 62
Support 63
WE LIKE TO HELP. ............................................................................................................................. 63
LIMITED WARRANTY.......................................................................................................................... 63
Compliance 64

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Introduction
The Motorola Model MG7315 is an 8x4 DOCSIS 3.0 cable modem with a
built-in N300 Wi-Fi router that has 4 Gigabit Ethernet ports. This model
connects to standard cable company Internet service. Model MG7315 can
provide shared Internet access to Ethernet-capable and Wi-Fi devices
including computers, smartphones, tablets, HDTVs, game consoles, security
cameras, and streaming media devices.
Basic Installation instructions for Model MG7315 are in the Quick Start that
comes with Model MG7315 and that is duplicated in Chapter 2 of this User
Guide.
Model MG7315 has a Configuration Manager that provides a lot of technical
information about Model MG7315 and that tells you how to do some useful
things as summarized below. Please note that some users will never need
to use the Configuration Manager.
Chapter 3: Alternate Ways to Connect Your Coax Cable
Chapter 4: Connecting Devices to Your Cable Modem/Router
Chapter 5: Setting up an HDTV, Streaming Media Device, or Other Device
Chapter 6: Accessing the Configuration Manager by Using a Browser
Chapter 7: Configuring Your MG7315 to Support Devices and Applications
with Special Requirements, like Games Played on Game Consoles and PCs,
and Security Cameras
Chapter 8: Changing Wireless Settings
Chapter 9: Changing Firewall Settings
Chapter 10: Tuning Wireless Performance
Chapter 11: Parental Control
Chapter 12: Troubleshooting Tips

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Quick Start
Packaged with your MG7315 modem/router
PowerCube CoaxWrench
EthernetCable Velcro
®Cable Tie

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Let’s get started
If you don’t have cable Internet service, please order that from your cable
service provider.
Now connect your MG7315 as shown on the next panel.
Connecting to a Coax Cable
Soon you’ll need to connect your MG7315 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. Your MG7315 can also share
a coax cable attached to a TV by using a coax
splitter.

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ON/OFF button
POWER
Connect the supplied power
cube between the power
jack and an electrical outlet.
RESET
WLAN button
Wi-Fi on/off button
WPS button
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. (Tighten the nut so it’s
finger tight. You may want to
use the supplied wrench.
Make the connection snug
but not over-tight.)

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Prepare to activate
By now you should have:
•Subscribed to cable Internet service.
•Connected your MG7315.
•Powered up your MG7315. To do this, the On/Off button needs to be On.
Wait for the green online connection light to stop flashing and remain
solidly lit. This may take up to 15 minutes.
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 MG7315, you can find this on the
label on the bottom of the MG7315.
Activate
For some service providers, you activate by calling them. Many service
providers including Comcast and Cox prefer that you activate by opening the
Web browser of a computer that’s plugged into one of the MG7315’s
Ethernet ports.
If you don’t have a computer, you can use the Web browser of a Wi-Fi device
such as a smartphone or tablet. In that case you’ll need the unique Wireless
Network Name and Password printed on the bottom of your MG7315. You’ll
use these in setting up your wireless device to connect to the MG7315. Once
you’ve connected, you can open the browser of that wireless device.

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For Comcast XFINITY Users Only:
If the activation page does not appear, please go to
www.xfinity.com/internetsetup for more information and to activate your
modem.
Here is a list of phone numbers for some major cable service
providers. (Note that this list is subject to change.)
Comcast 1 [phone]
Time Warner 1 [phone]
Bright House 1 [phone]
Suddenlink 1 [phone]
Cable One 1 [phone]
Cox 1 [phone]
RCN 1 [phone]
Once your MG7315 is activated either online or by phone,
your service provider will provision your MG7315 service.
Typically this takes less than 5 minutes, but in some cases this
may take 30 minutes or longer to complete.
Try to browse the Web using a device connected via Ethernet or Wi-Fi to the
MG7315. If browsing works, Congratulations! Your MG7315 is working.
If your MG7315 is NOT working, see Troubleshooting Tips below.