Touchstone™ TM402 Telephony Modem
User’s Guide
Get ready to experience the Internet’s express lane! Whether you’re checking out
streaming media, downloading new software, checking your email, or talking with
friends on the phone, the Touchstone TM402 Telephony Modem brings it all to you
faster and more reliably. All while providing toll quality Voice over IP telephone service. Some models even provide a Lithium-Ion battery backup to provide continued
telephone service during power outages.
The Touchstone Telephony Modem provides an Ethernet connection for use with either a single computer or home/office Local Area Network (LAN). The Touchstone
Telephony Modem also provides a USB connection. You can connect two separate
computers at the same time using both of these connections. In addition, the
Touchstone Telephony Modem provides for up to two separate lines of telephone
service.
Installation is simple and your cable company will provide assistance to you for any
special requirements. The links below will provide more detailed instructions.
Safety Requirements
Getting Started
Battery Installation and Replacement (TM402G, TM402H, and TM402P models
only)
Installing and Connecting Your Telephony Modem
Installing the Telephony Modem USB Drivers
Configuring Your Ethernet Connection
Using the Telephony Modem
Troubleshooting
Glossary
Touchstone TM402 Telephony Modem User’s Guide 1
Export Regulations
This product may not be exported outside the U.S. and Canada without U.S. Department of Commerce, Bureau of Export Administration authorization. Any export or re-export by the purchaser, directly or indirectly, in contravention of U.S. Export Administration Regulation is prohibited.
Copyright © 2005 ARRIS International, Inc. Patents pending. All rights reserved.
The information in this document is subject to change without notice. The statements, configurations, technical data, and recommendations in
this document are believed to be accurate and reliable, but are presented without express or implied warranty. Users must take full responsibility for their applications of any products specified in this document. The information in this document is proprietary to ARRIS.
ARRIS, Touchstone, and the ARRIS logo are trademarks of ARRIS International, Inc. All other trademarks and registered trademarks are the
property of their respective holders.
Document number: ARSVD00916
Release 4 Standard 1.0 May 2005
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Safety Requirements
ARRIS Telephony Modems comply with the applicable requirements for
performance, construction, labeling, and information when used as
outlined below:
CAUTION
Connecting the Telephony Modem to the home's
existing telephone wiring should only be performed
by a professional installer. Physical connections to
the previous telephone provider must be removed
and the wiring must be checked; there must not be
any voltages. Cancellation of telephone service is not
adequate. Failure to do so may result in loss of
service and/or permanent damage to the EMTA.
• The Telephony Modem is designed to be connected directly to
a telephone.
• Connecting the Telephony Modem to the home's existing telephone wiring should only be performed by a professional installer.
• Do not use product near water (i.e. wet basement, bathtub,
sink or near a swimming pool, etc.), to avoid risk of electrocution.
• Avoid using and/or connecting the equipment during an electrical storm, to avoid risk of electrocution.
• Do not locate the equipment within 6 feet (1.9 m) of a flame or
ignition source, to avoid damage or injury from battery explosion (i.e. heat registers, space heaters, fireplaces, etc.).
• Use only power supply and power cord included with the equipment.
• Equipment should be installed near the power outlet and should
be easily accessible.The RF drop cable’s shield must be grounded at the building/residence either close to the point of entrance or at the point of attachment. It should be grounded as
close as practical to the building/residence AC ground to minimize grounding connector length and thereby limit the poten-
tial voltage differences between the cable TV coaxial cable and
other grounding systems. Refer to the individual country’s National Electric Code for further details.
• In areas of high surge events or poor grounding situations and
areas prone to lightning strikes, additional surge protection
may be required (i.e. PF11VNT3 from American Power Conversion) on the AC, RF, Ethernet and Phone lines.
• When the embedded multimedia terminal adapter (EMTA) is
connected to a local computer through USB or Ethernet cables,
the computer must be properly grounded to the building/residence AC ground network. All plug-in cards within the computer must be properly installed and grounded to the computer
frame per the manufacturer’s specifications.
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European Compliance
This product complies with the provisions of the Electromagnetic Compatibility (EMC) Directive (89/336/EEC), the Amending Directive (92/31/EEC),
the Low Voltage Directive (73/23/EEC), and the CE Marking Directive (93/
68/EEC). As such, this product bears the CE marking in accordance with the
above applicable Directive(s).
A copy of the Declaration of Conformity may be obtained from: ARRIS
International, Inc., 3871 Lakefield Drive, Suite 300, Suwanee, GA 30024.
As indicated by the symbol below, disposal of this product or battery is governed by Directive 2002/96/EC of the European Parliament and of the
Council on waste electrical and electronic equipment (WEEE). WEEE could
potentially prove harmful to the environment; as such, upon disposal of the
Telephony Modem the Directive requires that this product must not be disposed as unsorted municipal waste, but rather collected separately and disposed of in accordance with local WEEE ordinances.
and conditions of this Agreement in which ARRIS grants you a personal,
nonexclusive license to use the supplied software, including software internal to the unit, and related materials, including documentation, which
together constitute the "Software".
1. Use the Software. You may use the Software only in connection with
operation of the product for personal use subject to the limitations contained in this Agreement.
2. Transfer the Software. You may not transfer this license except if you
permanently transfer all of your rights as part of a permanent sale or transfer of the hardware and Software, provided that you retain no copies, you
transfer all of the Software, and the recipient agrees to all of the terms of
this Agreement.
3. Terminate this license. You may terminate this license by returning
the product and all separately provided Software and all copies of the Software. LICENSOR may terminate this license if you fail to comply with all of
the licensing terms. In such event, you must destroy all copies of the Software, all copies of the Software and all of its component parts.
REFUND. If you do not agree to the terms of this End User License Agreement, do not install, use or copy the product. You should promptly contact
the point of purchase or service provider for instructions on return of the
unused product(s) for a refund.
End User License Agreement and Limited
Warranty
ARRIS Touchstone™ Telephony, ARRIS Touchstone™ Cable Modem and
Cornerstone® Telephony Voice Port, all are ARRIS International, Inc.
(ARRIS) products classified as Customer Premise Equipment (CPE).
GRANT OF LICENSE. By breaking the seal on this product bag, installing,
copying, or otherwise using the software, you are agreeing to the terms
Touchstone TM402 Telephony Modem User’s Guide 5
TITLE. The Software is licensed, not sold. You acknowledge that ARRIS
retains all right, title and interest to the Software. Software provided by
third parties may be subject to separate end user license agreements from
the manufacturers of such software.
LIMITATIONS ON USE.
1. You may not reverse engineer, decompile, or disassemble the Software.
2. You many not make copies of the Software, including the printed materi-
als accompanying the Software for any purpose other than backup. You
may make only one copy of the Software for backup purposes.
3. You may not rent, lease or lend the Software.
4. Except as explicitly described in the documentation, you may not modify
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the Software or create derivative works of the Software.
5. You may not sell or distribute the copies of the Software or publish the
Software.
6. You may not remove or erase any copyright notice or legend from the
Software.
7. You may not separate the Software into component parts.
IF YOU PURCHASED THIS PRODUCT FROM A CABLE OR OTHER SERVICE PROVIDER, YOU DO NOT RECEIVE ANY WARRANTY DIRECTLY
FROM ARRIS. YOUR EXCLUSIVE WARRANTY, IF YOU RECEIVE ANY
WARRANTY AT ALL, COMES FROM YOUR CABLE OR OTHER SERVICE
PROVIDER AND THE REMAINDER OF THIS SECTION DOES NOT
APPLY TO YOU.
If you purchased this product directly from ARRIS or an ARRIS
authorized retailer the following warranties apply:
HARDWARE: ARRIS warrants the original purchaser ("Customer") that
this product will be free from defects in workmanship and materials, under
normal use, for one (1) year from the ship date of this product.
BATTERY PACK: ARRIS warrants the original purchaser ("Customer")
that the battery pack, if included, will be free from defects in workmanship
and materials, under normal use, for one (1) year from the ship date of this
product.
SOFTWARE: ARRIS warrants to Customer that the Software and any
ARRIS branded software will perform in substantial conformance to its
specifications for a period of ninety (90) days from the date of invoice for
the product in question. ARRIS warrants the media containing the Software against failure during the warranty period. ARRIS makes no warranty
or representation that the operation of the Software will be uninterrupted
or error free, or that all defects in the Software will be corrected.
EXCLUSIONS
This warranty excludes (1) physical damage to the surface of the product,
including cracks or scratches on the casing; (2) damage caused by misuse,
neglect, improper installation or testing, unauthorized attempts to open,
repair or modify the product, or any other cause beyond the range of the
intended use; (3) damage caused by accident , fire, power changes, other
hazards, or acts of God; or (4) use of the product with any non-ARRIS
approved device or service if such device or service causes the problem.
Any non-ARRIS provided or non-ARRIS approved third party products,
including software, are not covered by this ARRIS warranty and ARRIS
makes no representations or warranties on behalf of such third party software or product. Any warranty on such products is from the supplier and
licensor of the product.
EXCLUSIVE REMEDIES
Should a covered problem occur during the warranty period and you notify
ARRIS, your sole exclusive remedy shall be, at ARRIS' sole option and
expense, to repair or replace the affected Product or Software. If ARRIS
cannot reasonably repair nor replace, then ARRIS may, in its sole discretion, refund the purchase price paid for the impaired Product. Replacement
products or parts may be new, reconditioned or comparable versions of the
impaired item. ARRIS warrants any replaced or repaired product, part, or
software for a period of ninety (90) days from shipment, or through the end
of the original warranty, whichever is longer.
OBTAINING WARRANTY SERVICE: Customer may contact the ARRIS
Repair Services center within the applicable warranty period to obtain warranty service authorization number by sending an email to support@arrisi.com. Dated proof of original purchase will be required. Product
or parts shipped by Customer to ARRIS must be sent postage paid and
packaged appropriately for safe shipment. ARRIS is not responsible for
Customer products received without a warranty service authorization and
may be rejected. Repaired or replacement products will be shipped to Customer at ARRIS' expense. All products or parts that are replaced become
the property of ARRIS. The repair and replacement process for products or
parts in locations outside the United States will vary depending on Customer's location and Service Provider.
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WARRANTIES EXCLUSIVE: THE FOREGOING WARRANTIES AND REME-
DIES ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, TERMS
OR CONDITIONS, EXPRESS, IMPLIED OR STATUTORY, INCLUDING WARRANTIES OF MERCHANTABLITY, FITNESS FOR A PARTICULAR PURPOSE,
ACCURACY, CORRESPONDENCE WITH DESCRIPTION, SATISFACTORY
QUALITY AND NON-INFRINGEMENT, ALL OF WHICH ARE EXPRESSIVELY
DISCLAIMED BY ARRIS AND ITS SUPPLIERS.
LIMITATION OF LIABILITY: NEITHER ARRIS NOR ITS SUPPLIERS SHALL BE
LIABLE FOR INCIDENTIAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR
PUNITIVE DAMAGES OF ANY KIND, LOSS OF INFORMATION OR DATE,
LOSS OF REVENUE, LOSS OF BUSINESS OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE OR USE OF THIS PRODUCT, WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE),
STRICT PRODUCT LIABILITY OR ANY OTHER THEORY, EVEN IF ARRIS HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR EVEN IF ANY
LIMITED REMEDY SPECIFIED IN THIS LICENSE AGREEMENT IS DEEMED TO
HAVE FAILED OF ITS ESSENTIAL PURPOSE. ARRIS' ENTIRE LIABILITY
SHALL BE LIMITED TO REPLACEMENT, REPAIR, OR REFUND OF THE PURCHASE PRICE PAID, AT ARRIS' OPTION.
DISCLAIMER: Some countries, states, or provinces do not allow the exclusions of limitation of implied warranties or the limitation of incidental or
consequential damages so the above limitations or exclusions may be limited in their application to you. When implied warranties may not be
excluded in their entirety, they will be limited to the duration of the applicable written warranty. This warranty gives you specific legal rights; you may
have other rights that may vary depending on local law. Your statutory
rights are not affected.
entirety from the application to this Limited Warranty.
THE LIMITED WARRANTY, LIMITED REMEDIES, WARRANTY DISCLAIMER
AND LIMITED LIABILITY ARE FUNDAMENTAL ELEMENTS OF THE BASIS OF
THE BARGAIN BETWEEN ARRIS AND CUSTOMER. ARRIS WOULD NOT BE
ABLE TO PROVIDE THE PRODUCT WITHOUT SUCH LIMITATIONS.
GOVERNING LAW: This Limited Warranty shall be governed by the laws
of the State of Georgia, U.S.A. and by the laws of the United States, excluding their conflicts of laws principles. The United Nations Convention on
Contracts for the International Sale of Goods is hereby excluded in its
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Getting Started
About Your New Telephony Modem
The Touchstone TM402 Telephony Modem is DOCSIS or EuroDOCSIS compliant
with the following features:
• Speed: much faster than dialup or ISDN service
• Convenience: supports USB and Ethernet; both can be used simultaneously
• Flexibility: provides two independent lines of telephone service as well as
high speed data
•Security: a Standby button lets you isolate connected computer(s) from
the Internet without turning off the Telephony Modem
• Compatibility: supports tiered data services (if offered by your cable
company)
What’s in the Box?
Make sure you have the following items before proceeding. Call your cable company
for assistance if anything is missing.
• Telephony Modem
• AC Adapter or Power Cord
• Quick Installation Guide
•USB Cable
•Ethernet Cable
•CD-ROM
• Screws for Wall Mounting the Unit
• End User License Agreement
What’s on the CD?
The CD provides the following items:
• Quick Install Guide
• User’s Guide
• USB Drivers (Windows 98SE/ME/2000)
• USB Uninstall Utility
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Items You Need
If you are installing the Telephony Modem yourself, make sure you have the following items on hand before continuing:
Coax Cable
• Telephony modem package: see What’s in the Box?
the package.
• Coaxial cable (coax): as shown in the image to the left, this is a thin cable
with a connector on each end. It is the same kind of wire used to connect
to your television for cable TV. You can buy coax from any electronics retailer
and many discount stores; make sure it has connectors on both ends. There
are two types of connectors, slip-on and screw-on; the screw-on connectors
are best for use with your Telephony Modem. The coax should be long
enough to reach from your Telephony Modem to the nearest cable outlet.
• Phone Cable: as shown in the image to the left, this is a standard phone
cable with standard phone connectors (RJ11 type) on both ends. You can
buy phone cables from any electronics retailer and many discount stores.
• Splitter (optional): provides an extra cable connection by splitting a single
outlet into two. You may need a splitter if you have a TV already connected
to the cable outlet that you want to use. You can buy a splitter from any
electronics retailer and most discount stores; you may also need a short
piece of coaxial cable (with connectors); use it to connect the splitter to the
cable outlet and then connect the Telephony Modem and TV to the splitter.
Note: A splitter effectively cuts the signal in half and sends each half to its
two outputs. Using several splitters in a line may deteriorate the quality of
your television, telephone, and/or internet connection.
• Information packet: your cable company should furnish you with a packet
containing information about your service and how to set it up. Read this
information carefully and contact your cable company if you have any questions.
for a list of items in
Phone Cable
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System Requirements
The Touchstone Telephony Modem operates with most computers. The following
describes requirements for each operating system; see the documentation for your
system for details on enabling and configuring networking.
To use the Telephony Modem, you need DOCSIS high-speed Internet service from
your cable company.
Windows
Ethernet connection: Windows 95, Windows 98, Windows 98 SE (Second Edition),
Windows ME, Windows 2000, or Windows XP
USB connection: Windows 98 SE (Second Edition), Windows ME, Windows 2000, or
Windows XP
MacOS
Ethernet connection only: System 7.5 to MacOS 9.2 (Open Transport recommended) or MacOS X
Linux/other Unix
Ethernet connection only: Hardware drivers, TCP/IP, and DHCP must be enabled in
Model Number
the kernel
Model : TM402P/100
P/N : TM02PC104
PS
E
100-120 VAC, 50/60 Hz, 0.5 A MAX
Made in "Country", Patents Pending
Copyright 2004 - ARRIS International,Inc
All Rights Reserved
About this Manual
This manual is written to cover all of the different TM402 models. Your model may
or may not have all of the capabilities outlined in this manual. To determine which
model you have purchased, refer to the image at the left. The model number is on
the label affixed to the Telephony Modem.
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Ethernet or USB?
There are two ways to connect your computer (or other equipment) to the Telephony Modem. The following will help you decide which is best for you:
Ethernet
Ethernet is a standard method of connecting two or more computers into a Local
Area Network (LAN). Use the Ethernet connection if your PC has built-in Ethernet
hardware, does not use Windows, or you want to share the Telephony Modem connection with several computers.
Note: To connect two or more computers to the Ethernet port, you will need a
hub or broadband router (available at computer retailers).
The Telephony Modem package comes with a 6-foot (1.9m) Ethernet cable (the
connectors look like wide telephone connectors); you can purchase more cables if
necessary at a computer retailer. If you are connecting the Telephony Modem di-
Ethernet Cable
rectly to a PC, or to an Ethernet hub or broadband router with a cross-over switch,
ask for Category 5 (CAT5) straight-through cable. If you are connecting the Telephony Modem to an Ethernet hub or broadband router without a crossover switch,
ask for a Category 5 crossover cable.
USB Cable
USB
USB (Universal Serial Bus) is meant for connecting a variety of accessories, such
as keyboards, mice, printers, and communications devices (including Telephony
Modems) to a single PC. Use the USB connection if you have only one computer,
and the computer is using a Windows operating system (Windows 98 Second Edition or later), and has no built-in Ethernet hardware. The Telephony Modem package comes with a 5-foot (1.6m) USB cable.
Both
If you have two or more computers, you can connect one computer to the Telephony Modem’s USB port and one or more other computers to the Ethernet port. To
connect two or more computers to the Ethernet port, you will need a hub or broadband router (available at computer retailers).
For more information about connecting two or more computers, contact your cable
service provider.
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What About Security?
Having a high-speed, always-on connection to the Internet requires a certain
TM
Touchstone
Telephony
Modem
Power
DS
US
Online
Link
Telephone 1
Telephone 2
Battery 1
Battery 2
Standby
Standby button
amount of responsibility to other Internet users—including the need to maintain a
reasonably secure system. While no system is 100% secure, you can use the following tips to enhance your system’s security:
• Keep your operating system updated with the latest security patches. Run
the system update utility at least weekly.
• Keep your email program updated with the latest security patches. In addition, avoid opening email containing attachments, or opening files sent
through chat rooms, whenever possible.
• Install a virus checker and keep it updated.
•Use the Standby button on your Telephony Modem to disconnect your PC
from the cable system when you are not using the Internet. Telephone service is not affected by the Standby button; it is always on.
• Avoid providing web or file-sharing services over your Telephony Modem.
Besides certain vulnerability problems, most cable companies prohibit running servers on consumer-level accounts and may suspend your account for
violating your terms of service.
• Use the cable company’s mail servers for sending email.
•Avoid using proxy
software unless you are certain that it is not open for
abuse by other Internet users (some are shipped open by default). Criminals can take advantage of open proxies to hide their identity when breaking
into other computers or sending spam. If you have an open proxy, your cable company may suspend your account to protect the rest of the network.
• If you connect your Telephony Modem to a wireless LAN, make sure you enable security and encryption on the wireless hub (for the same reason that
you should run only secured proxies). Consult the documentation and technical support of the wireless equipment provider for help.
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Battery Installation and Replacement (TM402G, TM402H, and
Latch
End
TM402P models only)
These models of the Telephony Modem have the ability to provide battery backup
in the event of a local power loss. The battery backup is not intended to take the
place of AC power. Depending on the model, one or two lithium-ion batteries can
be inserted into the Telephony Modem. The TM402P (depicted at the left) supports
two batteries If you are only using one battery, it must be inserted into Bay 1. The
TM402G and TM402H (not shown) only has support for one battery. Use this procedure to install and to replace the backup batteries.
Action
1 Pull down on the two latches holding the battery door (on the bottom of the
Telephony Modem) and pull the door toward you. Set the door aside in a safe
place.
Bay 2
Bay 1
2 Hold each battery by its pull tab and insert the batteries into the bay. The
photo on the left shows the proper orientation. Batteries will not insert completely into the Telephony Modem if not oriented correctly. Remember, with
the TM402P if only one battery is being used, it must be inserted into Bay 1
as shown on the left.
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3 Push the battery into the bay until it latches into place. The following photo shows a
Telephony Modem with both batteries installed.
Note: The Telephony Modem will not begin operating until you apply AC
power.
Bay 2
Bay 1
4 Replace the door. To do so, place the tabs of the battery door into the slot on the Tele-
phony Modem battery compartment. Rotate the door away from you until the two latches snap back into place.
Note: Some Telephony Modem models use a Lithium-Ion battery pack. The
battery does contain precious material, there may be some benefit in recycling. Please dispose of the battery responsibly and in accordance with local
ordinances.
—end—
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Installing and Connecting Your Telephony Modem
Before you start, make sure that:
• You have contacted your cable company and verified that they provide data
and telephone service using standard DOCSIS technology.
•You have all the Items You Need
• Cable, phone, and power outlets are available near the PC. If a cable outlet
is not conveniently located, your cable company can install a new one.
Getting Service
Before trying to use your new Telephony Modem, contact your local cable company
to establish an Internet account and telephone service. When you call, have the following information ready:
• the Telephony Modem serial number and MAC addresses of the unit (printed
on a sticker on the bottom of the Telephony Modem)
• the model number of the Telephony Modem
Save this information for future use. In addition, you should ask your cable company the following questions:
• Do you have any special system requirements or files that I need to download after I am connected?
• When can I start using my Telephony Modem?
• Do I need a user ID or password to access the Internet or my e-mail?
• Will my phone number change?
• What new calling features will I have and how do I use them?
.
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Teleph
t P
l
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ony Modem Fron
TM402A and TM402B
A
ane
B
F H
D
C E
G
Front Panel TM402A and TM402B
The front of the Telephony Modem has the following Light Emitting Diode (LED) indicators and controls:
A Standby: pressing this button isolates the Telephony Modem from the in-
ternet.
B Telephone 2: blinks when line 2 of the telephone is being used
C Telephone 1: blinks when line 1 of the telephone is being used
DLink: blinks when the Telephony Modem is connected to the internet
E On-Line: blinks during boot up or when data is being transmitted over the
internet
FUS: blinks during boot up or when data is being sent from the Telephony
Modem
GDS: blinks during boot up or when data is being received by the Telephony
Modem
HPower: lights when AC power is connected to the unit
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Teleph
t P
l
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ony Modem Fron
TM402G & TM402H
Standby
A
ane
Front Panel TM402G and TM402H
The front of the Telephony Modem has the following Light Emitting Diode (LED) indicators and controls:
HG
I
AStandby: pressing this button isolates the Telephony Modem from the in-
ternet.
B Battery: lights when the battery in the Telephony Modem is low
Telephone 1
Telephone 2
Battery
Link
Online
DS
US
Power
Mod
Telephony
em
Touchstone
C Telephone 2: blinks when line 2 of the telephone is being used
TM
D Telephone 1: blinks when line 1 of the telephone is being used
ELink: blinks when the Telephony Modem is connected to the internet
F On-Line: blinks during boot up or when data is being transmitted over the
internet
C
D E F
GUS: blinks during boot up or when data is being sent from the Telephony
B
Modem
HDS: blinks during boot up or when data is being received by the Telephony
Modem
IPower: lights when AC power is connected to the unit
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Teleph
t P
l
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ony Modem Fron
TM402P
Standby
A
Battery 2
ane
Telephone 2
Battery 1
B
Telephone 1
C
Online
Link
D E F
Front Panel TM402P
The front of the Telephony Modem has the following Light Emitting Diode (LED) indicators and controls:
HG
I
Touchstone
Telephony
Modem
Power
DS
US
TM
AStandby: pressing this button isolates the Telephony Modem from the in-
ternet.
B Battery 1/Battery 2: lights when the battery in the Telephony Modem is
low
C Telephone 2: blinks when line 2 of the telephone is being used
D Telephone 1: blinks when line 1 of the telephone is being used
ELink: blinks when the Telephony Modem is connected to the internet
F On-Line: blinks during boot up or when data is being transmitted over the
internet
GUS: blinks during boot up or when data is being sent from the Telephony
Modem
HDS: blinks during boot up or when data is being received by the Telephony
Modem
IPower: lights when AC power is connected to the unit
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Telephony Modem Rear Panel
TM402A and TM402B Models
C
D
E
F
A
B
TM402G, TM402H, and TM402P Models
E
C
D
G
Rear Panel
The rear of the Telephony Modem has the following connectors and controls:
A Tel 1 (Tel1/2 on TM402G, TM402H, and TM402P models): plug the first
phone line in here.
B Tel 2: plug the second line in here
C USB connector
D Ethernet connector
network LAN.
E Reset button: resets the Telephony Modem as if you power cycled the unit.
Use a pointed non-metallic object to press this button.
F Power: plug the AC adapter in here.
G Cable: plug the coax cable
: for connecting the Telephony Modem directly to a PC.
: for connecting the Telephony Modem to a PC or home
in here.
A
B
C
F
G
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Mounting the Telephony Modem
You can either mount the Telephony Modem on a wall or place it on a desktop. For
wall-mount applications, you can mount the Telephony Modem with the indicators
facing upward (vertical) or to the size (horizontal).
Tools and Materials
For wall-mounted installations, make sure you have the following tools and materials before proceeding:
• for mounting on drywall: Two 1/4” (6mm) drywall anchors and a Drill with
1/4” (6mm) bit
• for mounting on plywood or studs: two #6 x 1.5” (38.1 mm) self
screws (included); the head diameter should be approximately
and a drill with a 1/8” (3mm) bit
• screwdriver (flat-blade or Phillips, depending on what kind of screws you
use)
• wall-mount template (included with the Telephony Modem Quick Installation
Guide)
• transparent tape (for temporarily securing the mounting template to the
wall)
Location
Always position the Telephony Modem:
• within 4 feet (1.3 m) of an AC outlet. The power cord must reach the outlet
without stretching and without adding extension cords.
• near a cable outlet (to avoid long cable runs).
1/4”
tapping
(6 mm)
Note: When mounting the Telephony Modem on drywall, try to position the Te-
lephony Modem so at least one of the screws are fastened to a stud. This
may prevent the Telephony Modem from pulling out of the wall in the future.
To prevent overheating your Cable Modem, do not block the ventilation
holes on the sides of the unit.
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Instructions
Wall-mounting instructions
1 Print out the Telephony Modem Wall Mounting Template.
2 Position the mounting template on the surface where you intend to mount
the Telephony Modem and secure in place with transparent tape.
3 Drill holes through the template in the specified locations for the mounting
screws. After drilling holes, remove the template from the surface.
4 If using drywall anchors, set them into the wall. Then, drive the screws into
the wall leaving a gap of about 1/8” (3 mm) between the screw head and
the wall. If not using anchors, just drive the screws.
5 Orient the Telephony Modem with the indicator lights facing up or right, as
desired. Slip both mounting slots (in the back of the Telephony Modem) over
the screws, then slide the case down until the narrow end of the keyhole slot
contacts the screw shaft.
6 Proceed to Connecting the Telephony Modem
.
Desktop mounting instructions
1 Position the Telephony Modem so that:
• air flows freely around it
• the back faces the nearest wall
• it will not fall to the floor if bumped or moved
2 The TM402A and TM402B have an oval foot on the side to provide stability
in the event that the Telephony Modem is positioned vertically on a surface.
If you want to stand the Telephony Modem up on its side, pull the oval foot
out slightly, twist the foot (as shown in the image to the left), and place the
Telephony Modem in the desired location.
3 Proceed to Connecting the Telephony Modem
.
Touchstone TM402 Telephony Modem User’s Guide 21
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R
l
Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
ear Pane
TM402A and TM402B Models
C
D
E
F
A
B
G
TM402G, TM402H, and TM402P Models
D
C
E
Connecting the Telephony Modem
WARNING: Connecting the Telephony Modem to the home's existing tele-
phone wiring should only be performed by a professional installer. Physical connections to the previous telephone provider must be removed and the wiring
must be checked; there must not be any voltages. Cancellation of telephone service is not adequate. Failure to do so may result in loss of service and/or permanent damage to the EMTA.
1 Connect one end of the coaxial cable to the cable outlet or splitter, and the
other end to the Telephony Modem’s Cable connector (G). Tighten the connections by hand.
2 Connect one end of the telephone cable to the telephone port on the back
of the Telephony Modem (A or B). Connect the other end to the telephone.
Note: If you have a TM402G, TM402H, or TM402P Telephony Modem and a
phone with two separate lines on a single RJ-11 cord, it must be plugged
into the port labeled “Tel 1/2”.
3 Insert the plug from the AC adapter or the power cord into the Power con-
nector on the Telephony Modem (F).
4 Insert the power cord into a convenient AC outlet.
The Power light on the front of the Telephony Modem should light up, then
start flashing. See Troubleshooting
5 After connecting the coax cable and power, proceed as needed:
• Making Ethernet Connections
• Making USB Connections
if the Power light does not turn on.
OR
A
B
Note: Do not connect the same computer to both the Ethernet and USB
ports.
Making Ethernet Connections
6 Connect one end of the Ethernet cable to the port on the back of the Tele-
phony Modem labeled “Ethernet 10/100,” (D) and the other end to the
G
F
Touchstone TM402 Telephony Modem User’s Guide 22
Ethernet port on a computer, hub, or broadband router.
Note: If you are connecting to a computer, use the Ethernet cable included
in the Telephony Modem package.
Getting Battery USB Ethernet
Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
Making USB Connections
7 Connect one end of the USB cable to the USB port on the computer, and the
other end to the USB port on the back of the Telephony Modem (C).
Your PC should detect the Telephony Modem and begin installing the drivers. See Installing USB Drivers on Your PC
for driver installation details.
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Installing the Telephony Modem USB Drivers
Use this procedure to install USB drivers for the ARRIS Touchstone Telephony Modem on a Windows system.
This procedure does not explain how to provision the Telephony Modem
or otherwise initiate actual service.
When you plug the Telephony Modem into the PC’s USB port, Windows
automatically detects the hardware and attempts to install the drivers.
Requirements
Make sure you have the following before attempting to install the USB
drivers:
•PC with:
— CD-ROM drive
— at least one free USB port
— one of: Windows 98SE, Windows 2000, or Windows ME
(Windows 95 and Windows NT are not supported)
—ARRIS USB Driver CD
• USB A/B cable provided
• (for installations not using DHCP) IP address, subnet, gateway,
and DNS information
• Windows XP does not require the installation of USB drivers
from the CD
How to use this chapter
The following table lists the procedures for installing the USB drivers
on the computer. The procedure is the same regardless of operating
system used.
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Installing USB Drivers
Follow these steps to install USB drivers on a supported Windows operating system.
Note: Depending on your operating system, the dialog boxes shown
on your computer may differ slightly from those shown in this
procedure.
1 Make sure the Telephony Modem is on (the Power light should be
on). If not, connect the power supply as described in “Connecting
the Telephony Modem” on page 22.
2 Insert the Touchstone USB Drivers CD.
3 Plug the appropriate end of the USB cable into the Telephony Mo-
dem and the other end into the computer’s USB port.
The PC displays the following window:
—continued—
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4 Wait for the system to start the installation wizard and display the
following window:
Note: Depending on system speed and other factors, it may take
a minute or two to start the wizard.
—continued—
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5 Click the Next button.
The wizard prompts you for the location of the drivers.
Note: The dialog indicates that the wizard is looking for the ARRIS RNDIS (Remote Network Device Interface Specification)
driver for the Telephony Modem.
—continued—
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6 Select “Search for a suitable driver...”, then click the Next button.
The wizard displays a list of search options.
—continued—
Touchstone TM402 Telephony Modem User’s Guide 28
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7 Make sure the CD-ROM option is selected (checked), then click
the Next button.
The wizard searches the specified locations, then displays the location and name of the appropriate driver.
Note: If the wizard can not find the CD drive, and the CD is inserted properly, follow these steps:
a. On the Windows desktop, open “My Computer” and note the
letter of the Compact Disc (or CD-ROM) drive (on most systems, the CD drive is at D: or E:)
b. Return to the Found New Hardware Wizard, and click the
Back button.
The wizard displays the previous screen, shown in step 6.
c. Select “Specify a Location,” then choose the drive letter that
corresponds to the CD drive from the menu.
d. Click the Next button.
You should now see the screen shown above. If not, contact
your cable operator.
—continued—
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8 Click the Next button.
The wizard installs the drivers, then displays a window indicating
that the installation is complete.
9 Click the Finish button.
—end—
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Configuring Your Ethernet Connection
If your computer is equipped with a LAN card providing an Ethernet connection, you
may have to configure your computer’s TCP/IP settings. The steps that follow will
guide you through setting your computer’s TCP/IP settings to work with the Telephony Modem.
Requirements
Make sure you have the following before attempting to configure your Ethernet
connection:
•PC with:
— one of: Windows 98SE, Windows 2000, Windows ME, or Windows XP
(Windows 95 and Windows NT are not supported)
• Ethernet cable of appropriate length
• IP address, subnet, gateway, and DNS information for installations not using
DHCP
How to use this chapter
The following table lists the procedures for modifying the TCP/IP settings on the
computer. The procedure is slightly different depending on the operating system
that you are using. Please ensure you are using the correct steps for the operating
system on your computer. Follow the links below for instructions to configure your
ethernet connection on your operating system.
• TCP/IP Configuration for Windows 98SE
• TCP/IP Configuration for Windows 2000
• TCP/IP Configuration for Windows ME
• TCP/IP Configuration for Windows XP
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TCP/IP Configuration for Windows 98SE
Follow these steps to configure the TCP/IP settings on a Windows 98SE operating
system.
Note: Dialog boxes shown on your computer may differ slightly from those
shown in this procedure.
10 From the computer, select Start > Settings > Control Panel.
11 Double click on the Network icon in the Control Panel.
12 Click the Configuration tab in the Network window to display the list of
Network Adapters.
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13 Highlight TCP/IP by clicking on it one time, then click on Properties.
14 Click the IP Address tab, click Obtain an IP address automatically, then
click OK.
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15 Click OK to accept the new settings, and OK again to close the Configura-
tion window.
16 You may have to restart your computer in order for your computer to obtain
a new IP address from the network.
—end—
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TCP/IP Configuration for Windows 2000
Follow these steps to configure the TCP/IP settings on a Windows 2000 operating
system.
Note: Dialog boxes shown on your computer may differ slightly from those
shown in this procedure.
17 From the computer, select Start > Settings > Network and Dial-up Con-
nections > Local Area Connection.
18 In the Local Area Connections Properties window, highlight TCP/IP by click-
ing on it one time, then click on Properties.
Note: If your computer has more than one Ethernet card, you may have to
select the appropriate Ethernet card in the Connect using: area of the Local Area Connection Properties window.
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19 Click Obtain an IP address automatically and Obtain DNS server ad-
dress automatically, then click OK.
20 Click OK to accept the new settings, and OK again to close the Configura-
tion window.
21 You may have to restart your computer in order for your computer to obtain
a new IP address from the network.
—end—
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TCP/IP Configuration for Windows ME
Follow these steps to configure the TCP/IP settings on a Windows ME operating systetem.
Note: Dialog boxes shown on your computer may differ slightly from those
shown in this procedure.
22 From the computer, select Start > Settings > Control Panel.
23 Double click on the Network icon in the Control Panel.
24 Click the Configuration tab in the Network window to display the list of
Network Adapters.
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25 Highlight TCP/IP by clicking on it one time, then click on Properties.
26 Click the IP Address tab, then click OK.
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27 Click OK to accept the new settings, and OK again to close the Configura-
tion window.
28 You may have to restart your computer in order for your computer to obtain
a new IP address from the network.
—end—
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Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
TCP/IP Configuration for Windows XP
Follow these steps to configure the TCP/IP settings on a Windows XP operating systetem.
Note: Dialog boxes shown on your computer may differ slightly from those
shown in this procedure.
29 From the computer, select Start > Settings > Control Panel and double
click on the Network Connections icon in the Control Panel.
30 Click the Configuration tab in the Network window to display the list of
Network Adapters.
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31 Highlight TCP/IP by clicking on it one time, then click on Properties.
32 Click the IP Address tab, click Obtain an IP address automatically, then
click OK.
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33 Click OK to accept the new settings, and OK again to close the Configura-
tion window.
34 You may have to restart your computer in order for your computer to obtain
a new IP address from the network.
—end—
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Using the Telephony Modem
This chapter describes the controls and features available on the Touchstone Telephony Modem, and covers basic troubleshooting procedures.
• Setting up Your Computer to Use the Telephony Modem
• Indicator Lights for the TM402A and TM402B Models
• Indicator Lights for the TM402G and TM402H Models
• Indicator Lights for the TM402P Model
• Using the Reset Button
• Using the
Standby Button
Setting up Your Computer to Use the Telephony Modem
Follow the instructions in the information packet supplied by your cable company.
Contact your cable company if you need help setting up your computer.
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Indicator Lights for the TM402A and TM402B Models
The Touchstone Telephony Modem has seven LEDs to assist in troubleshooting.
Patterns: Normal Operation
The following table shows light patterns during normal operation.
Table 1:
Mode Power DS US Online Link Tel. 1/Tel. 2
A/C
Power
AC
Power
Fail
See Using the
Flash Off Off Off Off
On =
On =
On =
Online
On
Flash =
Off-line
Standby Button for more information about the standby mode.
On =
Online
Flash =
Off-line
network
available
Off =
network
not
available
Computer
Connected
Off =
Computer
disconnected
Flash =
Computer
Activity
On =
On-hook
Flash = Off-
hook
Off = disabled
On =
On-hook
Flash = Off-
hook
Off = disabled
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Indicator Lights for the TM402G and TM402H Models
The Touchstone Telephony Modem has eight LEDs to assist in troubleshooting
TM
Touchstone
Telephony
Modem
Power
DS
US
Online
Link
Telephone 1
Telephone 2
Battery
Standby
Patterns: Normal Operation
The following table shows light patterns during normal operation.
Table 2:
Mode Power DS US Online Link
A/C
Power
AC
Power
Fail
On =
On
On =
Online
Flash
= Off-
line
On =
Online
Flash =
Off-line
network
available
Off =
network
not
available
Flash Off Off Off Off
On =
Computer
Connected
Off =
Computer
disconnected
Flash =
Computer
Activity
Tel . 1/
Tel . 2
On =
On-hook
Flash =
Off-hook
Off =
disabled
On =
On-hook
Flash =
Off-hook
Off =
disabled
Battery
On =
Battery
good
Off =
Battery
bad or
missing
Flash =
Battery low
On =
Battery
good
Off =
Battery
bad or
missing
Flash =
Battery
Low
See Using the
Standby Button for more information about the standby mode.
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Indicator Lights for the TM402P Model
The Touchstone Telephony Modem has nine LEDs d to assist in troubleshooting
Patterns: Normal Operation
The following table shows light patterns during normal operation.
TM
Table 3:
Touchstone
Telephony
Modem
Power
DS
US
Online
Link
Telephone 1
Telephone 2
Battery 1
Battery 2
Mode Power DS US Online Link
A/C
Power
On
On =
Online
Flash
= Off-
line
On =
Online
Flash =
Off-line
On =
network
available
Off =
network
not
available
On =
Computer
Connected
Off =
Computer
disconnected
Flash =
Computer
Activity
Tel . 1/
Tel . 2
On =
On-hook
Flash =
Off-hook
Off =
disabled
Batt.1/
Batt.2
On =
Battery
good
Off =
Battery
bad or
missing
Flash =
Battery low
Standby
On =
Battery
On =
good
On-hook
Off =
AC
Power
Flash Off Off Off Off
Fail
See Using the
Flash =
Off-hook
Off =
disabled
Standby Button for more information about the standby mode.
Battery
bad or
missing
Flash =
Battery
Low
Touchstone TM402 Telephony Modem User’s Guide 46
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LED Indicators: Startup Sequence
The following table shows the Telephony Modem light patterns during each phase
of the startup sequence. There are two phases of startup; the Telephony phase and
the cable modem phase. Both are outlined below.
Power,
DS, US,
Link
Online
Off Off Off Off Off Off No power to Cable Modem
Flash Flash Flash Flash Flash Flash Power-on Self Test**
See “Cable Modem Start Up Sequence” Below
On On Flash Off Off Off Retrieving telephone network
On On Off Flash Off Off Retrieving telephone line information
ON On Flash Flash Off Off Activating telephone service
Normal Operation
* = Battery LED only applies to those models with battery backup
** = If this pattern of all LEDs flashing persists, the Telephony Modem has detected foreign voltage
on the telephone line. Disconnect the telephone connection and call a qualified telephone installer to
troubleshoot.
Telephone Battery*
Description
1212
information
Cable Modem Start Up Sequence
Power DS US Online Description
On Flash Off Off Downstream search
On On Flash Off Downstream found, upstream search
On On On flash Downstream and Upstream found,
retrieving setup information from cable
operator
CM Normal Operation
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Using the Reset Button
Use the Reset button, on the back of the Telephony Modem, to reset the modem
as if you power cycled the unit. You may need to reset the Telephony Modem if you
are having problems connecting to the Internet. Using this button will be rare.
TM402A and TM402B Models
Reset Button
TM402G, TM402H, and TM402P Models
Use a pointed non-metallic object to press this button. The photo to the left shows
the location of the Reset button.
The Reset button is recessed to prevent accidental resets.
Reset Button
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Using the Standby Button
The Telephony Modem has a Standby button on top of the unit. Press the Standby
TM
Touchstone
Telephony
Modem
Power
DS
US
Online
Link
Telephone 1
Telephone 2
Battery 1
Battery 2
Standby
Standby button
button to switch between:
• Inactive (normal) mode: the Ethernet and USB interfaces are connected
to the Internet. The Online light stays on to indicate normal mode.
• Active (standby) mode: the Ethernet and USB interfaces are disconnected from the Internet. Computers connected to the Ethernet and USB interfaces can still communicate with each other, but not with the Internet. The
Online light blinks to indicate active mode.
The Telephony Modem remembers the standby setting when you reset the Telephony Modem or turn it off. The Standby button does not affect telephony service; telephony service will work regardless of the status of the internet connection.
The Standby button has no effect while the Power light is blinking.
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Troubleshooting
Problems and Solutions
The Telephony modem is plugged in, but the Power light is off.
Check all power connections. Is the AC adapter plugged in firmly at both
ends?
If you plugged the AC adapter into a power strip, make sure the strip is
switched on.
Avoid using an outlet controlled by a wall switch, if possible.
Finally, check the fuse or circuit breaker panel.
I’m not getting on the Internet.
It may take up to 30 minutes to establish a connection the first time you
power up your Telephony Modem, especially when many people are online.
Always leave your Telephony Modem plugged in and connected; use the
Standby button to disconnect your PC from the Internet.
Check the front panel lights:
•The Power and Online lights should be on.
•If the Online light is blinking, press the Standby button.
•The Link light should be either on or blinking.
•If the Power light blinks for more than 30 minutes, call your cable
company for assistance.
Check your cable connections. Connectors should be finger-tight. The coax
cable should not be pinched, kinked, or bent sharply—any of these can
cause a break or short in the cable (you may have to replace the cable). If
you have one or more splitters between the Telephony Modem and CATV
outlet, remove the splitters and connect the Telephony Modem directly to
the outlet.
Proceed to the Ethernet or USB solutions (next page) if necessary.
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I’m not getting on the Internet. (Ethernet)
If you are using a hub, is the hub turned on?
Are you using the right type of Ethernet cable
? (Straight cable for direct con-
nection to a PC, cross-over cable for connection to a hub.)
Press the Reset button on the back of the Telephony Modem.
I’m not getting on the Internet. (USB)
Did you load the USB drivers
If you are using a powered USB hub
?
, is the hub turned on?
Check the USB cable connections. Disconnect and reconnect the USB cable.
Restart the PC.
Press the Reset button on the back of the Telephony Modem.
I’m not getting on the Internet. (USB, Windows 98)
In some cases, Windows may install a “composite” USB driver instead of the
ARRIS Telephony modem driver. To correct this:
• Disconnect the USB cable between the PC and the Telephony Modem.
• Use the ARRIS Uninstall utility (on the ARRIS driver CD) to remove the
improperly-installed driver.
• Reboot the PC.
• Reinstall the drivers as described in Troubleshooting USB Problems
.
I can get on the Internet, but everything is slow.
If the Web site you are visiting is very popular, that site may be having trouble servicing all the requests. If other sites download quickly, wait for a few
minutes and try again. Usage during peak hours may also affect the connection speed.
If your Telephony Modem is connected to a LAN (Local Area Network), either
directly or through a firewall, other communications on the LAN may slow
down your connection.
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I have two PCs connected to the Telephony Modem, but only one can get
on the Internet.
Check your cable company’s terms of service: they may allow only one computer to connect directly to the Telephony Modem.
I don’t have dial tone when I pick up my phone, why?
In order for telephone service to be functional on the Telephony Modem,
telephone service must have been purchased from the service provider and
configured on your Telephony Modem. The following steps should help in
identifying the source of the problem.
•Is the Power LED lit?
• If not, check to make sure the Telephony Modem is plugged in and
the outlet has power.
• If the LED is lit, go to the next step.
• Is the Online LED lit?
• If not, check the coax connection at the Telephony Modem and the
wall. Ensure they are connected and tight. If they are and you do not
have dial tone, contact your service provider.
• If the Online LED is lit, go to the next step.
• Is the Telephone (Telephone 1 or Telephone 2) LED lit?
• If not, phone service has not been provisioned on that line. Contact
your service provider.
• If it is blinking, there is a phone off hook somewhere in the house.
Find that phone and hang it up.
• If it is lit, go to the next step
• Is the Phone plugged directly into the Telephony Modem?
• Make sure the phone is plugged into the port on the back of the Te-
lephony Modem labeled “Tel 1/2” for line 1 and “Tel 2” for line 2.
• If so, try a different phone. Make sure the new phone is a working
phone.
• If a known good phone is used and you still don’t have dial tone, try
a different phone cable. If a new phone and cable do not restore dial
tone, call your service provider.
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• Is the Telephony Modem plugged into a wall outlet?
• If so, unplug the RJ-11 connector at the back of the Telephony Port
and plug in a known working phone. If you now have dial tone, the
problem is with the house wiring. Contact your MSO or a qualified
wiring technician to correct the house wiring. If you still do not have
dial tone, contact your service provider.
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Troubleshooting USB Problems
Follow these steps if the PC does not auto-detect the Telephony Modem using a USB
connection.
Before you start, make sure that:
• You have properly installed and configured the Telephony Modem as shown
in Installing and Connecting Your Telephony Modem
• You have installed the USB drivers as shown in Installing the Telephony Mo-
dem USB Drivers.
• The cable company has set up your account. Call your cable company if
you’re not sure.
Instructions
1 Be sure that your PC is running either Windows 98SE, Windows 2000, or
Windows ME (Windows 95 and Windows NT are not supported).
2 Be sure the Telephony Modem has power. The Power light should be on.
3 Push the Reset button on the back panel of the Telephony Modem, using a
pen tip or other sharp non-metallic object.
.
4 Disconnect the USB cable from the PC and reconnect it.
5 Restart the PC.
6 Do the following to uninstall and the reinstall your USB drivers:
a. Disconnect the USB cable to the Telephony Modem.
b. Insert the Telephony Modem CD-ROM into you computer.
c. Start the uninstall utility on your CD-ROM. Follow the on-screen instruc-
tions carefully.
d. Reconnect the USB cable.
e. Re-install the USB driver as shown in Installing the Telephony Modem
USB Drivers.
7 Replace the USB cable.
8 Call your cable company for help.
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Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
Glossary
The following is a list of common cable and networking terms.
Terms and Abbreviations
A/B Cable
A USB cable that has a narrow rectangular connector on one end (A) and a
notched square connector (B) on the other end.
Category 5 (Cat5)
A high-quality type of cable, used for Fast Ethernet (100BaseT) connections. When purchasing Ethernet cables, always look for Category 5 cable.
Coaxial cable (coax)
A thin wire, used to connect your television and Telephony Modem to the
cable TV system. You can buy coax from any electronics retailer and many
discount stores.
CPE
Customer Premise Equipment. This is the equipment that is plugged in to
the telephony modem; typically a computer, hub, or router.
Cross-over
An Ethernet cable used to connect two hubs (or a hub and a cable modem)
together. Also, some Ethernet hubs may have built-in cross-over on one or
more ports (which eliminates the need for a cross-over cable).
DHCP
Dynamic Host Configuration Protocol. An IP protocol used to provide an IP
address and location of services (such as DNS and TFTP) needed by a
device connecting to the network. DHCP allows the cable company to configure your computer’s networking software for you.
DNS
Domain Name Service (Server). An IP service that associates a domain
name (such as www.example.com) with an IP address.
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Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
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 standards 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 coaxial cable. There are two common types
of F-connector, slip-on and screw-on. Use coax with screw-on connectors
for connecting your Telephony Modem.
Gateway
The device, usually a router, that connects devices on a given IP subnet to
other IP subnets.
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.
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Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
Hub
A box with several Ethernet or USB connectors. Ethernet hubs provide a
common point of contact for all connected devices; USB hubs allow you to
add peripherals without installing a USB card in your computer.
IP address
A number assigned to your computer by your cable company, used to identify your computer to other systems on the Internet.
ISDN
Integrated Services Digital Network. A digital telephony standard that provides 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 Modem’s MAC address to authorize
access to the Internet. The MAC address is printed on a label on the bottom
of your Telephony Modem.
Protocol
A set of rules and formats that determines the communication behavior of
network entities at a given layer.
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.
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Safety Started Installation Installation Drivers Configuration Usage Troubleshooting Glossary
RF
Abbreviation for Radio Frequency. Some literature refers to coax as “RF
cable” and the connectors as “RF connectors.”
RJ-11
A standard 4-pin modular connector, commonly used in North America for
connecting telephones.
RJ-45
A standard 6-pin 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 Modem. You can buy a splitter
from any electronics retailer and most discount stores.
Standby mode
A Telephony Modem operating mode that disconnects the Ethernet and
USB interfaces from the Internet. The Telephony Modem’s Online light
blinks while the modem is in Standby mode.
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 Modem
into a switched outlet to avoid disruptions.
TCP/IP
Transmission Control Protocol/Internet Protocol. The protocols used to
facilitate communications across one or more connected networks.
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 documentation may refer to this as the return path or reverse path.
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USB
(Universal Serial Bus) An interface used for connecting a variety of accessories, such as keyboards, mice, printers, and communications devices
(such as cable modems) to a single PC.
WHQL
Windows Hardware Qualification Labs. A division of Microsoft that certifies
hardware as being compatible with Windows operating systems.
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Touchstone
TM402 Telephony Modem User’s Guide
2005 ARRIS
All rights reserved
All information contained in this document is subject to change
without notice. ARRIS reserves the right to make changes to
equipment design or program components, as progress in
engineering, manufacturing methods, or other circumstances
may warrant.
ARRIS, ARRIS Interactive, and Touchstone Telephony are
trademarks of ARRIS Licensing Company. Cornerstone is a
registered trademark of ARRIS Licensing Company. All other
trademarks and registered trademarks are the property of their
respective holders.
ARSVD00916
Release 4 Standard 1.0
May 2005
Touchstone TM402 Telephony Modem User’s Guide 61
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