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Downstream
In an HFC network, the direction from the head-end to the subscriber. Some
older cable documentation may refer to this as the forward path.
DOCSIS
Data Over Cable System Interface Specification. The interoperability stan-
dards used for data communications equipment on an HFC network.
EMTA
Embedded Multimedia Terminal Adapter. An MTA device that is integrated
with a cable modem.
Ethernet
A standard method of connecting two or more computers into a Local Area
Network (LAN).
EuroDOCSIS
The European version of DOCSIS.
Event
An informational message used for monitoring network status.
F-connector
The type of connector used on coax cable. There are two common types of
F-connector, slip-on and screw-on. Use coax with screw-on connectors for
connecting your Telephony Gateway.
Firewall
A hardware or software device that prevents unauthorized access to a pri-
vate network from the Internet. The TG1672 provides a built-in firewall.
Gateway
The device, usually a router, that connects devices on a given IP subnet to
other IP subnets.
Touchstone TG1672 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
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Headend
The “central office” in an HFC network. The headend houses both video and
data equipment. In larger cable networks, a “master” headend often feeds
several “remote” headends to provide distributed services.
HTTP
HyperText Transfer Protocol.
Hub
A box with several Ethernet connectors. Ethernet hubs provide a common
point of contact for all connected devices.
IP address
A number assigned to your computer by your cable company, used to iden-
tify your computer to other systems on the Internet.
ISDN
Integrated Services Digital Network. A digital telephony standard that pro-
vides communication speeds about twice as fast as standard dialup.
LAN
Local Area Network. A network that allows computers in a single location
(such as a building) to communicate with one another.
LED
Light Emitting Diode. A semi-conductor diode that emits light when current
is passed through it.
MAC address
A number that uniquely identifies any device connected to a network. Your
cable company uses your Telephony Gateway’s MAC address to authorize
access to the Internet. The MAC address is printed on a label on the bottom
of your Telephony Gateway.
Protocol
A set of rules and formats that determines the communication behavior of
network entities at a given layer.
Touchstone TG1672 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
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Proxy
A device or program that stands in between a server (for example, a web
site) and a client (your browser), providing a way to relieve some of the
burden from the server. For example, your cable company may have a web
proxy that keeps copies of popular web pages; the proxy can send you those
pages instead of fetching them directly from the web site, resulting in faster
page loading and less network congestion.
RF
Abbreviation for Radio Frequency. Some literature refers to coax as “RF
cable” and the connectors as “RF connectors.”
RJ-11
A standard 2-conductor modular connector, commonly used in North Amer-
ica for connecting telephones.
RJ-45
A standard 8-conductor modular connector, commonly used on Ethernet
cable. An RJ-45 connector looks like a wide RJ-11 (telephone) connector.
Splitter
A small box with three cable connectors: one input and two outputs. You
may need a splitter if you have a TV already connected to the cable outlet
that you want to use for your Telephony Gateway. You can buy a splitter
from any electronics retailer and most discount stores.
SSID
Service Set IDentifier, a string of text (up to 32 characters long) that
uniquely identifies a wireless LAN.
Switched outlet
A power outlet that may be turned on and off using a wall switch. Usually
intended for lamps. Avoid plugging your computer or Telephony Gateway
into a switched outlet to avoid disruptions.
TCP/IP
Transmission Control Protocol/Internet Protocol. The protocols used to facil-
itate communications across one or more connected networks.
Touchstone TG1672 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
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TDMA
Time Division Multiple Access. A method used by DOCSIS-compliant cable
modems for sending upstream data with minimal interference.
Upstream
The path from a subscriber device to the headend. Some older cable docu-
mentation may refer to this as the return path or reverse path.
WEP
Wired Equivalent Privacy, a common standard for encrypting data sent over
a wireless LAN.
WPA
Wi-fi Protected Access, a standard for encrypting data sent over a wireless
LAN. WPA offers improved security over WEP.
Touchstone TG1672 Telephony Gateway User’s Guide
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Getting
Started
Battery
Installation
Installation
Wireless
Configuration
Ethernet
Configuration
Usage
Troubleshooting
Glossary
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©ARRIS Enterprises, Inc. 2013 All rights reserved. No part
of this publication may be reproduced in any form or by
any means or used to make any derivative work (such as
translation, transformation, or adaptation) without written
permission from ARRIS Enterprises, Inc. (“ARRIS”). ARRIS
reserves the right to revise this publication and to make
changes in content from time to time without obligation on
the part of ARRIS to provide notification of such revision
or change.
ARRIS provides this guide without warranty of any kind,
implied or expressed, including, but not limited to, the im-
plied warranties of merchantability and fitness for a partic-
ular purpose. ARRIS may make improvements or changes
in the product(s) described in this manual at any time. The
capabilities, system requirements and/or compatibility with
third-party products described herein are subject to change
without notice.
ARRIS and the ARRIS logo are all trademarks of ARRIS En-
terprises, Inc. Other trademarks and trade names may be
used in this document to refer to either the entities claim-
ing the marks and the names of their products. ARRIS dis-
claims proprietary interest in the marks and names of
others.
Protected under one or more of the following U.S. patents:
7,031,435; 7,916,744. Other patents pending.
Release
16
Standard 1.0
October 2013
Touchstone® TG1672 Telephony Gateway User’s Guide
Export Regulations
Safety Requirements
FCC Part 15
RF Exposure
Industry Canada Compliance
For Mexico
European Compliance
Getting Started
About Your New Telephony Gateway
What’s in the Box?
Items You Need
Getting Service
System Requirements
Recommended Hardware
Windows
MacOS
Linux/other Unix
About this Manual
What About Security?
Ethernet or Wireless?
Wireless
Both
Battery Installation and Removal
Battery Installation and Replacement
Installing and Connecting Your Telephony Gateway
Front Panel
Rear Panel
Selecting an Installation Location
Factors Affecting Wireless Range
Mounting the Telephony Gateway
Tools and Materials
Location
Instructions
Wall-mounting instructions
Desktop mounting instructions
Connecting the Telephony Gateway
Configuring Your Wireless Connection
Accessing the Configuration Interface
Setting Parental Controls
Configuring Your Ethernet Connection
Requirements
How to use this chapter
TCP/IP Configuration for Windows XP
TCP/IP Configuration for Windows 7
TCP/IP Configuration for MacOS X
Using the Telephony Gateway
Setting up Your Computer to Use the Telephony Gateway
Indicator Lights for the TG1672
Wiring Problems
Patterns: Normal Operation (LAN and Telephone)
Patterns: Normal Operation (WAN and Battery)
Patterns: Startup Sequence
Telephony Start Up Sequence
Cable Modem Start Up Sequence
Using the Reset Button
Resetting the Router to Factory Defaults
Booting from Battery
Troubleshooting
Glossary
Touchstone®
TG1672 Telephony Gateway
User’s Guide

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