Askey Computer DWG855 WiFi EMTA Cable Modem User Manual Users manual
Askey Computer Corp WiFi EMTA Cable Modem Users manual
Users manual
DWG855
digital ⎢ BROADBAND
EMTA GATEWAY
Important Information
ii
CAUTION
Disconnect power before
servicing.
CAUTION
This device is intended for
indoor operation only.
Telephone jacks Line 1 and
Line 2 must not be
connected to outside
wiring.
CAUTION
To ensure reliable operation and to prevent
overheating, provide adequate ventilation for this
modem and keep it away from heat sources. Do not
locate near heat registers or other heat-producing
equipment. Provide for free air flow around the EMTA
Gateway and its power supply.
CABLE INSTALLER:
This reminder is provided to call your attention to Article 820-40 of the National Electrical Code
(Section 54 of the Canadian Electrical Code, Part 1) which provides guidelines for proper
grounding and, in particular, specifies that the cable ground shall be connected to the grounding
system of the building as close to the point of cable entry as practical.
PacketCable and DOCSIS compliant
This product was designed according to Data over Cable Service Interface Specifications and
PacketCable Voice Over IP Cable Telephony Specifications.
It will operate on any DOCSIS-compliant Hybrid Fiber Coax (HFC) cable system and offers DOCSIS
and PacketCable Baseline Privacy to promote secure internet transactions and PC-secure
telephone service.
Operating Information
Operating Temperature: 0˚ - 40˚ C (32˚ - 104˚ F)
Storage Temperature:-30˚ to 65˚ C
If you purchased this product at a retail outlet, please read the following:
Product Registration
Please fill out the product registration card (packed separately) and return it immediately, or
register on-line at rca.com. Registering allows us to contact you if needed.
Product Information
Keep your sales receipt to obtain warranty parts and service and for proof of purchase. Attach it
Illustrations contained in this document are for representation only. iii
here and record the serial and model numbers in case you need them. The numbers are located
on the back of the product.
Model No. ____________________________Serial No ________________________________
Purchase Date: ________________________Dealer/Address/Phone: _________________________
Important Information
iv
Table of Contents
Illustrations contained in this document are for representation only. v
Chapter 1: Connections and Setup
Introduction ............................................................................................................................ 1
EMTA Gateway Features..................................................................................................... 1
What’s on the CD-ROM ...................................................................................................... 1
Accessing the Diagnostics Display through the CD-ROM .................................................... 2
Computer Requirements.................................................................................................... 3
Setting the Modem in the Stand......................................................................................... 3
Wall Mounting ................................................................................................................... 4
EMTA Gateway Overview .......................................................................................................... 5
Front Panel........................................................................................................................ 5
Rear Panel ......................................................................................................................... 7
Relationship among the Devices........................................................................................ 7
What the Modem Does ...................................................................................................... 9
What the Modem Needs to Do Its Job................................................................................. 9
Contact Your Local Cable Company ................................................................................. 10
Connecting the EMTA Gateway to a Single Computer ............................................................. 12
Attaching the Cable TV Wire to the EMTA Gateway........................................................... 12
Important Connection Information .................................................................................. 13
USB Connection to One Computer ................................................................................... 13
USB Connection - Using the Installation Wizard................................................................ 14
USB Connection - Without Using the Installation Wizard ................................................... 15
Using Windows 2000 for USB Connection ........................................................................ 15
Using Windows Me for USB Connection............................................................................ 18
Using Windows XP for USB Connection ............................................................................ 19
Ethernet Connection to One Computer ............................................................................ 23
Connecting More Than Two Computers to the EMTA Gateway ......................................... 23
Table of Contents
vi
Telephone or Fax Connection.......................................................................................... 24
Activating the EMTA Gateway................................................................................................. 26
Chapter 2: Web Configuration
Accessing the Internet ........................................................................................................... 27
Outline of Web Manager .................................................................................................. 27
Status.................................................................................................................................... 29
Software.......................................................................................................................... 29
Connection...................................................................................................................... 29
Security........................................................................................................................... 29
Diagnostics ..................................................................................................................... 30
Wireless................................................................................................................................. 30
Basic ............................................................................................................................... 30
Security........................................................................................................................... 31
Access Control ................................................................................................................ 34
Advanced ........................................................................................................................ 36
Bridging .......................................................................................................................... 37
Chapter 3: Additional Information
Frequently Asked Questions .................................................................................................. 39
General Troubleshooting ....................................................................................................... 41
FCC Declaration of Conformity and Industry Canada Information........................................... 43
Service Information................................................................................................................ 44
Glossary ................................................................................................................................45
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 1
Introduction
EMTA Gateway Features
z CableLabs DOCSIS 1.0/1.1/2.0, CableHome 1.1 and PacketCable 1.0/1.1 (upgradeable to
PC1.5) Standard Compliant
z Integrated battery backup for telephony
z Support Multiple Provisioning Modes.
z Support PacketCable NCS 1.0 MGCP1.0 (Media Gateway Control Protocol)
z Support PacketCable Multimedia specifications
z 4 Standard RJ-45 connector for 10/100BaseT Ethernet with auto-negotiation and MDIS
functions
z USB Connector for USB interface
z IEEE802.11g Wireless Access Point
z Two RJ-11 Foreign Exchange Station (FXS) ports for IP telephony (with CO over-voltage
protection, unit to be undamaged when plugged in local LEC RJ-11)
z Support simultaneous voice and data communications
z Two simultaneous voice conversations in the different FXS ports with different CODEC: PCM
A-law, PCM μ-law, G.729, G.729a, G.729e, and G.728
z Echo Cancellation
z Voice Active Detection (VAD)
z DTMF detection and generation
z Comfort Noise Generation (CNG)
z Support V.90 fax and modem services
z Transparent bridging for IP traffic
z RSA and 56 bit DES data encryption security
z Support VPN end point
z Multicast pass-through with MIBs to enable/disable multicast pass through feature
z SNMP network management support
z Remote operating firmware downloading
z Support Web pages and private DHCP server for status monitoring
Chapter 1: Connections and Setup
2
z Telnet debug of voice call flows
z Clear LED display
z Plug and Play
z Support for UpnP QoS and UPnP MIBS
What’s on the CD-ROM
Insert the RCA Digital Cable Modem CD-ROM into your CD-ROM drive to view troubleshooting
tips, the internal diagnostics, and other valuable information.
Note: You will need to use the CD-ROM to install the USB driver if you are connecting via the USB
port.
CD-ROM Contents:
z Links to RCA web sites
z Electronic file of the instruction book in additional languages
z Usage and troubleshooting tips
Accessing the Diagnostics Display through the CD-ROM
A button on the CD-ROM menu called “Look at Diagnostics” (found under the “About My Digital
Cable Modem” menu) launches your browser and displays status and diagnostic information
stored within the modem in HTML format.
Your PC must receive an IP address assignment from the Cable Company’s server, over the cable
network. You may want to “bookmark” the IP address in your browser after the diagnostics page
is displayed.
DOCSIS and PacketCable are trademarks of Cable Television Laboratories, Inc.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 3
Computer Requirements
For the best possible performance from your Digital Cable Modem, your personal computer must
meet the following minimum system requirements (note that the minimum requirements may
vary by cable companies):
IBM PC COMPATIBLE MACINTOSH**
CPU Pentium preferred PowerPC or higher
System RAM 16MB (32MB preferred) 24MB (32MB preferred)
Operating System Windows* NT/2000/Me/XP,
Linux
Mac OS** 7.6.1 or higher
Available Disk Space 125MB 50MB
Sound Card Required for audio on CD-ROM N/A
Video VGA or better (SVGA preferred) VGA or better (SVGA built-in preferred)
CD-ROM Drive Required Required
10BaseT or 100BaseT 10BaseT or 100BaseT Ethernet
An Ethernet card makes it possible for your computer to pass data to
and from the internet. You must have an Ethernet card and software
drivers installed in your computer. You will also need a standard
Ethernet cable to connect the Ethernet card to your EMTA Gateway.
USB (Windows 2000/ME/XP only)
USB Port
The Universal Serial Bus is a high speed bus that enables your
computer to communicate simultaneously with a variety of
peripherals. However, if you have other peripherals that send and
receive a lot of information, such as speakers, printers or scanners, we
recommend using an Ethernet card to support this modem.
*Windows is a trademark of Microsoft Corporation.
**Macintosh and the Mac OS are trademarks of Apple Computer, Inc.
Setting the Modem in the Stand
Once you have the rubber pads attached to the bottom of the stand, place the EMTA Gateway
upright in the stand, making sure to line up the notch of the stand with the groove on the bottom
of the modem.
Chapter 1: Connections and Setup
4
Wall Mounting
The number of the screw: 2 pcs
Direction for wall mounting: LED panel upward.
Dimension for the screw: TBD
There are 4 slots on the underside of the EMTA that can be used for wall mounting.
Note: When wall mounting the unit, ensure that it is within reach of the power outlet.
You will need 2 suitable screws which screw diameter would be 4.4 mm to wall mount the Cable
Modem or the Battery Pack. Two different wall mount directions could be chosen for the Battery
Pack.
To do this:
1. Ensure that the wall you use is smooth, flat, dry and sturdy and use the 4 screw holes
which are 101.6 mm apart from each other.
2. Fix the screws into wall, leaving their heads 3 mm (0.12 inch) clear of the wall surface.
3. Remove any connections to the unit and locate it over the screw heads. When in line,
gently push the unit on to the wall and move it downwards to secure.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 5
EMTA Gateway Overview
Front Panel
The following illustration shows the front panel of the EMTA machine:
The LEDs on the front panel are described in the table below (from left to right):
Internet Ethernet
Power DS US Online 1 2 3 4 Tel 1 Tel 2 Battery Wireless USB Description
ON ON ON ON
ON 0.25 second ON ON ON ON ON ON X ON ON Power on 0.25 sec
ON FLASH FLASH FLASH X X X X X X X X X
From power ON to
system initialization
complete
ON ON ON
Boot-up
Operation
ON
1 second
X X X X X X X X X
Following system
initialization complete
to (before) DS scanning
ON FLASH OFF OFF X X X X X X X X X During DS scanning and
acquiring SYNC
ON ON FLASH OFF X X X X X X X X X
From SYNC completed,
receiving UCD to
ranging completed
ON ON ON FLASH X X X X X X X X X
During DHCP,
configuration file
download, registration,
and Baseline Privacy
initialization
ON ON ON ON X X X X X X X X X Operational (NACO=ON)
DOCSIS
Start-up
Operation
ON FLASH FLASH OFF X X X X X X X X X Operational(NACO=OFF)
ON ON ON ON X X X X FLASH OFF OFF X X MTA DHCP
ON ON ON ON X X X X OFF FLASH OFF X X MTA SNMP/TFTP
MTA
initialization ON ON ON ON X X X X FLASH FLASH OFF X X RSIP
ON X X X
OFF
ON
FLASH
ON
OFF
ON
FLASH
ON
OFF
ON
FLASH
ON
OFF
ON
FLASH
ON
X X X X X
No Ethernet Link
Ethernet Link
TX/RX Ethernet Traffic
Ethernet Collision CPE
Operation
ON X X X X X X X X X X X
OFF
ON
FLASH
ON
No USB Link
USB Link
TX/RX USB Traffic
USB driver is not ready
Internet Ethernet
Power DS US Online 1 2 3 4 Tel1 Tel2 Battery Wireless USB Description
CPE ON X X X X X X X X X X OFF X No Wireless Link
Chapter 1: Connections and Setup
6
Operation ON
FLASH
ON
Wireless Link
TX/RX Wireless Traffic
Wireless is not installed
or disable
ON ON ON Both Lines On-Hook
ON FLASH ON Tel1 Off-hook, Tel2
On-hook
ON ON FLASH Tel1 On-hook, Tel2
Off-hook
AC Good
Battery Good
ON FLASH FLASH
ON
Both Lines Off-Hook
ON ON ON Both Lines On-Hook
ON FLASH ON Tel1 Off-hook, Tel2
On-hook
ON ON FLASH Tel1 On-hook, Tel2
Off-hook
AC Good
Battery Low
ON FLASH FLASH
FLASH
Both Lines Off-Hook
ON ON ON Both Lines On-Hook
ON FLASH ON Tel1 Off-hook, Tel2
On-hook
ON ON FLASH Tel1 On-hook, Tel2
Off-hook
AC Good
Battery Bad
ON
<CM Normal Operation>
FLASH FLASH
OFF
<CM Normal
Operation>
Both Lines Off-Hook
ON Both Lines On-Hook
FLASH Tel1 Off-hook, Tel2
On-hook
ON Tel1 On-hook, Tel2
Off-hook
AC Fail
Battery Good
FLASH
OFF
Both Lines Off-Hook
ON Both Lines On-Hook
FLASH Tel1 Off-hook, Tel2
On-hook
ON Tel1 On-hook, Tel2
Off-hook
AC Fail
Battery Low
FLASH OFF
FLASH
FLASH
OFF
Both Lines Off-Hook
Both Lines On-Hook
Tel1 Off-hook, Tel2
On-hook
Tel1 On-hook, Tel2
Off-hook
AC Fail
Battery Bad < All LEDs may be unlit due to lack of battery power>
OFF
OFF
< All LEDs may
be unlit due to
lack of battery
power>
Both Lines Off-Hook
SW
Download
Operation
ON FLASH FLASH ON X X X X X X X X X
A software download
and while updating the
FLASH memory
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 7
Rear Panel
TEL1/2 & TEL2 Telephony RJ-11 connector
ETHERNET 1-4: Ethernet 10/100BaseT RJ-45 connector
USB: USB Connector
REBOOT EMTA: Reboot this EMTA Gateway
CABLE: F-Connector
Rating 100-240V: Power connector
Installing the Battery
This section provides information on installing batteries into the modem. Follow the steps
below:
1. Ensure the power cord is unplugged.
2. Remove the battery cover on the rear panel. There are two battery
compartments. You may install a single battery into either compartment.
3. Insert the battery into one of the rear battery compartments, as shown below.
Chapter 1: Connections and Setup
8
4. Re-attach the battery cover.
5. Plug the power cord into an AC-recepticle that is always ON
(non-switchable). It’s best to secure the plug to the wall plate using an
extended wall plate screw. The battery will fully charge within 4 hours.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 9
Relationship among the Devices
This illustration shows a cable company that offers DOCSIS- and PacketCable-compliant
voice/data services.
What the Modem Does
THOMSON DWG855 is an integrated telephony and wireless gateway that is CableLabs DOCSIS
1.0/1.1/2.0, CableHome1.1 and PacketCable 1.0/1.1 compliant product that provides
high-speed Internet access as well as primary line telephony, and fax/modem services via an
existing CATV infrastructure. The DWG855 is equipped with 2-RJ-11 POTS interfaces, 4-port
Ethernet switch, USB, and IEEE802.11b/g Wireless interfaces. The DWG855 can inter-operate
with the PacketCable compliant headend equipment and provide the IP-based voice
communications.
What the Modem Needs to Do Its Job
The Right Cable Company: Make sure your local cable company provides data services
that use cable TV industry-standard DOCSIS-compliant and PacketCable-compliant
technology.
The Internet/Telephony Service Provider (ISP/TSP): Your cable company provides you
access to an Internet Service Provider (ISP) and Telephony Service Provider (TSP). The ISP is
your gateway to the Internet and provides you with a pipeline to access Internet content on
Chapter 1: Connections and Setup
10
the World Wide Web (WWW). The TSP provides you with telephony access to other modems
or other telephony services over the Public Switched Telephone Network (PSTN).
Check with your cable company to make sure you have everything you need to begin; they’ll
know if you need to install special software or re-configure your computer to make your cable
internet service work for you.
Contact Your Local Cable Company
You will need to contact your cable company to establish an internet account before you can use
your modem. You should have the following information (which you will find on the sticker on
the modem) ready:
The serial number
The model number of the modem
The Digital Cable Modem (CM) Media Access Control (MAC) address
The Media Terminal Adapter (MTA) MAC address
Record your information here:____________________________
Serial Number: ____________________________
Model Number: ____________________________
CM MAC Address: ____________________________
MTA MAC Address: ____________________________
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 11
Please verify the following with the cable company
The cable service to your home supports DOCSIS-compliant and PacketCable-compliant
two-way modem access.
Your internet account has been set up. (The Media Terminal Adapter will provide data
service if the cable account is set up but no telephony service is available.)
You have a cable outlet near your PC and it is ready for Cable Modem service.
Note: It is important to supply power to the modem at all times. Keeping your modem plugged in
will keep it connected to the Internet. This means that it will always be ready whenever you need.
Important Information
Your cable company should always be consulted before installing a new cable outlet. Do not
attempt any rewiring without contacting your cable company first.
Chapter 1: Connections and Setup
12
Connecting the EMTA Gateway to a Single Computer
This section of the manual explains how to connect your EMTA Gateway to the USB or Ethernet
port on your computer and install the necessary software. Please refer to Figure 1 to help you
connect your Digital Cable Modem for the best possible connection.
Attaching the Cable TV Wire to the EMTA Gateway
1. Locate the Cable TV wire. You may find it one of three ways:
a. Connected directly to a TV, a Cable TV converter box, or VCR. The line will be connected
to the jack which should be labeled either IN, CABLE IN, CATV, CATV IN, etc.
b. Connected to a wall-mounted cable outlet.
c. Coming out from under a baseboard heater or other location. See Figure 1 for the
wiring example.
Notes: For optimum performance, be sure to connect your EMTA Gateway to the first point the
cable enters your home. The splitter must be rated for at least 1GHz.
Fig. 1: Basic Home Wiring
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 13
Important Connection Information
The EMTA Gateway supports Ethernet and USB connections simultaneously.
USB Connection to One Computer
Note: Only use the power supply provided with this unit. Using other power supplies may
damage the unit.
Fig. 2: USB Connection
Chapter 1: Connections and Setup
14
USB Connection - Using the Installation Wizard
If you received an Installation/Quick Start kit with the purchase of your modem, you should use
the software provided in that kit. If not, the Digital Cable Modem CD included with your modem
contains the drivers, Installation Wizard, and other information you need to install your EMTA
Gateway. The Installation Wizard serves as your step-by-step guide to connecting and
configuring your device.
1. Before you begin, close all open applications and dialog boxes as they may interfere with your
EMTA Gateway installation.
2. Insert the CD into the CD-ROM drive of your computer. A menu of options appears.
3. Click “Install RCA Cable Modem.” If the options menu does not automatically appear:
A. Go to the “Start” menu on the Windows menu bar, then click “Run.”
B. Type the location of the CD-ROM drive followed by “:\Thomson.exe”. (E.g., if your
CD-ROM is located on the E: drive, type E:\ Thomson.exe)
C. Click “OK” to begin installation.
4. The Installation Wizard checks your computer to make sure you have the minimum
configuration specifications required to install the EMTA Gateway.
5. The Installation Wizard prompts you to attach a coaxial cable to the connector labeled CABLE
on your EMTA Gateway, and to the wall connection for your cable service.
If you’re using a splitter, click on “Installing a splitter.” The splitter diagram appears. When
you’re finished, hit the “Back” button.
6. Click “Next” to go to the next screen.
7. The Installation Wizard prompts you to attach the power supply. Use only the power supply
that accompanied this unit. Using other power supplies may damage the unit.
A. Insert the plug from the AC power supply into the POWER AC ADAPTER jack on your EMTA
Gateway.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 15
B. Plug the other end of the power supply into the AC outlet.
C. Click “Next” when you have finished connecting the power supply.
8. The next step begins an automated installation of the USB drivers. This installation may
require Windows system files that are not currently located on your hard drive. If the
Installation Wizard needs those files, you will be asked to insert your Windows Operating
System CD-ROM. Click “OK” to continue.
9. Connect one end of the USB cable to the USB port on your computer. Connect the other end of
the USB cable to the USB port on the EMTA Gateway.
10. If the modem is detected, the “Windows Found New Hardware” window appears and the
“Installation Complete” screen appears.
USB Connection - Without Using the Installation Wizard
If you do not want to use the CD-ROM, follow instructions 1 through 5 to connect the EMTA
Gateway to the USB port on your computer. Instructions must be followed in the order they
appear.
1. Connect one end of the coaxial cable to the cable connection in the wall, and the other end to
the CABLE jack on the EMTA Gateway.
2. Connect the plug from the AC power supply into the POWER AC ADAPTER jack on the EMTA
Gateway and plug the power supply into an AC outlet.
3. Insert the supplied EMTA Gateway CD-ROM. Wait momentarily for the CD window display.
4. Close all open applications and dialog boxes, including the CD window.
Note: Open applications may interfere with your EMTA Gateway installation.
5. Connect one end of the USB cable to the USB port located on the back of your computer.
Connect the other end of the USB cable to the USB port on the EMTA Gateway.
Note: Use only the power supply that accompanied this unit. Using other power supplies may
damage the unit.
Next, you need to install the USB driver for your operating system.
Using Windows 2000 for USB Connection
Follow steps 6 through 14 if you have a Windows 2000 operating system:
6. When the “Found New Hardware Wizard” appears, click “Next” to initiate the search for drivers
for your USB device.
Chapter 1: Connections and Setup
16
Note: If Windows 2000 does not recognize the presence of the EMTA Gateway, your BIOS settings
may not permit USB and/or Plug-and-Play devices. Please contact your computer’s customer
service department.
7. Choose the “Search for a suitable driver for my device (recommended)” option, and click
“Next”.
8. Choose ONLY the “CD-ROM drives” option and click “Next”.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 17
9. The search should find the driver for the “Thomson USB CDC Devices”. To confirm that this is
the case, click “Next” to continue and proceed to step 11. Otherwise, see step 10.
Important: Do NOT continue if the search finds “USB Composite Device” driver. Proceed to step
10.
10. Follow these instructions ONLY if the driver found was NOT the “Thomson USB CDC Devices.”
A. Click “Back” to return to the previous window.
B. Ensure that you have selected the “CD-ROM” option.
C. In addition to the CD-ROM option, choose “Specify a location.” Click on “Next” to continue.
D. In the location box, type in your CD-ROM drive. For example, if your CD-ROM is located on
the E: drive, type “E:\.” Click on “Ok” to continue.
E. Click “Next” to continue.
F. The search should find either “RCA or Thomson Digital Cable Modem” or “RCA or Thomson
DCM 3xx Cable Modem.”
11. Windows should now prompt you to install the “Thomson USB CDC Devices”. Click “Next” to
install the driver.
Chapter 1: Connections and Setup
18
At this point your PC needs to copy Windows 2000 specific files. If these files are not located
on your hard drive, you may need to insert your Windows 2000 installation media (i.e.,
Windows 2000 CD-ROM), but first remove the EMTA Gateway CD-ROM.
12. After the Windows specific files are copied, you may be asked for another USB driver file
named “NETRCACM.SYS,” located on the EMTA Gateway CD-ROM. Remove the Windows 2000
CD-ROM (if necessary), and reinsert the EMTA Gateway CD-ROM that accompanied your EMTA
Gateway.
13. Click on “Finish” to complete the process.
14. The EMTA Gateway installation is now complete. To validate a proper installation, perform
the following instructions:
A. Click on the “Start” icon in the lower left-hand corner of your screen.
B. Select “Settings,” followed by “Control Panel.” The “Control Panel” window appears.
C. Double-click on the “System” icon, select the “Hardware” tab, and choose “Device
Manager.”
D. Scroll down the list until you come to “Network Adapters.” Double-click on “Network
Adapters.”
E. The “RCA Digital Cable Modem” should exist. If the “RCA or Thomson Digital Cable
Modem” does not exist, the EMTA Gateway was NOT installed correctly. Please install again.
Using Windows Me for USB Connection
Follow steps 6 through 9 if you have a Windows Me operating system:
6. Windows Me will briefly display the “Found New Hardware Wizard,” and automatically
proceed to the “Add New Hardware Wizard”.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 19
Choose the “Automatic search for a better driver (Recommended)” option, and click “Next.”
Note: If Windows Me does not recognize the presence of the EMTA Gateway, i.e., the “Add New
Hardware Wizard” did not automatically appear, your BIOS settings may not permit USB and/or
Plug-and-Play devices. Please contact your computer’s customer service department.
7. The automatic search should find and install the driver for the “RCA or Thomson Digital
Cable Modem”. Click on “Finish” to complete the process.
8. When the “System Settings Change” window appears, click “Yes” to restart your computer.
9. The Thomson Digital Cable Modem installation is now complete. To validate a proper
installation, perform the following instructions:
A. Click on the “Start” icon in the lower left-hand corner of your screen.
B. Select “Settings,” followed by “Control Panel.” The “Control Panel” window will appear.
C. Double-click on the “System” icon, and select the “Device Manager.”
D. Scroll down the list until you come to “Network Adapters.” Double-click on “Network
Adapters.”
E. The “RCA or Thomson Digital Cable Modem” should exist. If “RCA or Thomson Digital
Cable Modem” does not exist, the Digital Cable Modem was NOT installed correctly.
Using Windows XP for USB Connection
Follow steps 6 through 9 if you have a Windows XP operating system:
6. Windows XP will display the “Welcome to the Found New Hardware Wizard,” and ask whether
you would like the Windows to connect to Windows Update to search for software, Choose
“No, not this time” and click “Next”.
Chapter 1: Connections and Setup
20
7. The “Found New Hardware Wizard” will then display the device name and ask you to insert
the installation CD-ROM that came with the unit. Choose the “Install from a list or specific
location (Advanced)” option, and click “Next.”
Note: If Windows XP does not recognize the presence of the EMTA Gateway, i.e., the “Welcome to
the New Hardware Wizard” did not automatically appear, your BIOS settings may not permit USB
and/or Plug-and-Play devices. Please contact your computer’s customer service department.
8. Select “Search Removable Media (floppy, CD-ROM…)” and click on “Next”, then your
computer will install the drivers for the “RCA or Thomson Digital Cable Modem”.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 21
9. When the “Completing the Found New Hardware Wizard” window appears, click “Finish” to
complete the process.
10. The EMTA Gateway installation is now complete. To validate a proper installation, perform
the following instructions:
A. Click on the “Start” icon in the lower left-hand corner of your screen.
B. Select “Settings,” followed by “Control Panel.” The “Control Panel” window will appear.
C. Double-click on the “System” icon, and select the “Device Manager.”
D. Scroll down the list until you come to “Network Adapters.” Double-click on “Network
Adapters.”
E. The “RCA or Thomson Digital Cable Modem” should exist. If “RCA or Thomson Digital
Cable Modem” does not exist, the EMTA Gateway was NOT installed correctly.
Below are important points to remember before you connect the EMTA Gateway:
For Ethernet connections, go to page 23.
Chapter 1: Connections and Setup
22
For telephone and fax connections, go to page 25.
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 23
Ethernet Connection to One Computer
Make the connections to the modem in the following sequence:
1. Connect one end of the coaxial cable to the cable connection in the wall, and the other end to
the CABLE jack on the EMTA Gateway.
2. Connect the plug from the AC power supply into the POWER AC ADAPTER jack on the EMTA
Gateway, and plug the power supply into an AC outlet.
Note: Use only the power supply that accompanied this unit. Using other adapters may damage
the unit.
3. Connect one end of the Ethernet cable (straight-wired, see below) to the Ethernet port on the
back of your computer, and the other end to one of the ETHERNET port on the EMTA Gateway.
Make sure that the Ethernet cable is straight-wired (not “null” or crossover-wired). However,
you will need a crossover-type cable if you are connecting the modem to a hub, or a hub
within a port switch that provides the same function.
Fig.3: Ethernet Connection
Connecting More Than Two Computers to the EMTA Gateway
If you need to connect more than two computers or if you need to connect two computers, but
Chapter 1: Connections and Setup
24
USB is not available, you’ll need the following additional equipment:
Crossover-wired, or “null,” category 5 Ethernet cable for the EMTA Gateway to be connected
to the hub
10BaseT or 100BaseT Hub or Switch
Straight through, or standard, category 5 Ethernet cable (one for each computer to be
connected)
If you have a hub with an uplink port*, a straight through cable can be used in combination with
that port in lieu of the crossover cable.
*An uplink port has a small switch on it to change the polarity of the connection. It can accept
either a crossover or a straight cable, depending on the setting.
Fig.4: Ethernet Hub Connection
Note: You may need to check with your service provider in order to connect multiple computers.
Telephone or Fax Connection
When properly connected, most telephony devices can be used with the EMTA Gateway just as
with conventional telephone service. To make a normal telephone call, pick up the handset;
listen for a dial tone, then dial the desired number. For services such as call waiting, use the hook
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only. 25
switch (or FLASH button) to change calls. The following procedures describe some of the
possible connection schemes for using telephony devices with the EMTA Gateway.
1. Connect a standard phone line cord directly from the phone (fax machine, answering
machine, caller ID box, etc.) to one of the LINE jacks on the EMTA Gateway.
2. If there is a phone line in your home which is NOT connected to another telephone service
provider, connect a standard phone line cord from a jack on this line to one of the LINE jacks
of the EMTA Gateway. Connect a standard phone line cord directly from the phone (fax
machine, answering machine, caller ID box, etc.) to one of the other jacks in the house that
uses that line.
3. If you have a multi-line telephone, connect a standard phone line cord (not an RJ-14 type line
cord) from the phone to the LINE jacks on the EMTA Gateway. (Other phones can be added to
each line by using standard phone line splitters.
Fig. 5: Phone/Fax Connection
Chapter 1: Connections and Setup
26
Activating the EMTA Gateway
After you install the EMTA Gateway and turn it on for the first time (and each time the modem is
reconnected to the power), it goes through several steps before it can be used. Each of these
steps is represented by a different pattern of flashing lights on the front of the modem.
Note: All indicators flash once before the initialization sequence.
If all of the lights are flashing sequentially, it means the EMTA Gateway is automatically updating
its system software. Please wait for the lights to stop flashing. You cannot use your modem
during this time. Do not remove the power supply or reset the EMTA Gateway during this
process.
Chapter 2: Web Configuration
Illustrations contained in this document are for representation only. 27
To make sure that you can access the Internet successfully, please check the following first.
1. Make sure the connection (through Ethernet or USB) between the EMTA Gateway and
your computer is OK.
2. Make sure the TCP/IP protocol is set properly.
3. Subscribe to a Cable Company.
Accessing the Internet
Once your host PC is properly configured, please proceed as follows:
1. Start your web browser and type the private IP address of the EMTA Gateway on the URL
field: 192.168.0.1.
2. After connecting to the device, you will be prompted to enter username and password.
By default, the username is cablelabs and the password is admin.
If you login successfully, the main page will appear. From now on this EMTA Gateway acts as a
web server sending HTML pages/forms on your request. You can configure the settings on the
webpage and apply them to the device.
Outline of Web Manager
The main screen will be shown as below.
Chapter 2: Web Configuration
28
Title: It indicates the title of this management interface.
Main Menu: It includes Status and Wireless.
Main Window: It is the current workspace of the web management, containing
configuration or status information.
Chapter 2: Web Configuration
Illustrations contained in this document are for representation only. 29
Status
Software
This page shows the software and hardware information and the status of the EMTA Gateway.
Connection
This page shows current connection status containing startup procedures, downstream status,
upstream status, CM online information, and so on.
Security
This page allows you to change the user name and password for accessing this web page.
Chapter 2: Web Configuration
30
Password Change User ID: Key in the user ID in this field.
New Password: Enter the new password in this box.
Re-Enter New Password: Enter the new password again for confirmation.
Current User ID Password: Key in the original password.
Restore Factory Defaults: If you want to restore the factory settings, click Yes and Apply.
If not, click No and Apply.
Diagnostics
This page offers basic diagnostic tools for you to utilize when connectivity problems
occur. You may use the ping diagnostics or traceroute, just enter the information needed
and press Start Test; the Result will be displayed in the lower part of the window. Press
Abort Test to stop, and Clear Results to clear the result contents.
Wireless
Basic
To set the basic configuration for the wireless features, click Basic from the Wireless menu.
Chapter 2: Web Configuration
Illustrations contained in this document are for representation only. 31
Wireless Mac Address: Displays the Wireless Mac Address information.
Network Name (SSID):
The SSID is the identification of this device; the system will detect the SSID and display it in
this field for your reference. You may modify it.
Network Type:
If you choose Open, the EMTA will periodically broadcast its SSID to allow the wireless
clients within the range to recognize its presence. You may choose Closed to hide the SSID.
Country:
Please select a proper location from the drop down menu.
Channel:
There are 11 channels that you can choose. Choose the one that is suitable for this device.
The channel that you currently use will be displayed after Current.
Interface:
Choose Enabled to enable the wireless settings. Choose Disabled to close the wireless
function.
Apply:
After proper configuration, click Apply to invoke the settings.
Restore Wireless Defaults:
Click this button to restore the device to the factory defaults for wireless settings.
SecureEasySetup:
It radically simplifies Wi-Fi® wireless LAN configuration, allowing even first-time Wi-Fi
users to setup and secure their wireless networks with the push of a button.
Security
This page allows you to configure the Network Authentication. Here provides several
different modes of wireless security. You will have to enter proper information according
to the mode you select.
Chapter 2: Web Configuration
32
WPA/WPA2: (Wi-Fi Protected Access)
It must be used in conjunction with an authentication server such as RADIUS to provide
centralized access control and management. It can provide stronger encryption and
authentication solution than none WPA modes. WPA2 is the second generation of WPA
security
WPA-PSK (WPA-Pre-Shared Key) /WPA2-PSK (WPA2-Pre-Shared Key):
It is useful for small places without authentication servers such as the network at home. It
allows the use of manually-entered keys or passwords and is designed to be easily set up
for home users.
WEP Encryption:
You can choose 64-bit or 128-bit according to your needs. If you choose Disabled, the
Network Keys will not be shown on this page. If selected, the data is encrypted using the key
before being transmitted. For example, if you set 128-bit in this field, then the receiving
station must be set to use the128 Bit Encryption, and have the same Key value too.
Otherwise, it will not be able to decrypt the data.
WEP Encryption
Chapter 2: Web Configuration
Illustrations contained in this document are for representation only. 33
If you select WEP (64-bit or 128-bit), you can
adjust the following settings-
Shared Key Authentication:
Decide whether to set the shared key
Optional or Required by selecting from the
drop-down menu.
Network Key 1 to 4:
The system allows you to enter four sets of
the WEP key. For 64-bit WEP mode, the key
length is 5 characters or 10 hexadecimal
digits. As for 128-bit WEP mode, the key
length is 13 characters or 26 hexadecimal
digits.
Current Network Key:
Select one set of the network key (from 1 to 4) as the default one.
PassPhrase:
You can enter ASCII codes into this field. The range is from 8 characters to 64 characters.
For ASCII characters, you can key in 63 characters in this field. If you want to key in 64
characters, only hexadecimal characters can be used.
Generate WEP Keys:
Click this button to generate the PassPhrase.
802.1x Authentication
If you enable the 802.1x authentication
function, you will have to offer the following
information-
RADIUS Server:
RADIUS Server is a protocol for carrying
authentication, authorization, and
configuration information between a
Network Access Server which desires to
authenticate its links and a shared
Authentication Server. Please key in the IP
Address for the RADIUS Server.
RADIUS Port:
Besides the IP address of the RADIUS Server,
you have to enter the port number for the
server. Port 1812 is the reserved
RADIUS-authentication port described in
RFC 2138. Earlier AP (RADIUS clients) use
port 1945. The default value will be shown
on this box. You can keep and use it.
RADIUS Key:
A RADIUS Key is like a password, which is used between IAS and the specific RADIUS client
to verify identity. Both IAS and the RADIUS client must be use the same RADIUS Key for
successful communication to occur. Enter the the RADIUS Key.
WPA/WPA2
Chapter 2: Web Configuration
34
For the WPA/WPA2 network Authentication,
the settings that you can adjust including
WPA/WPA2 Encryption, RADIUS Server,
RADIUS Port, RADIUS Key, Group Key
Rotation Interval, and WPA/WPA2 Re-auth
Interval.
WPA/WPA2 Encryption:
There are three types that you can choose,
TKIP, AES, TKIP+AES.
TKIP takes the original master key only as a
starting point and derives its encryption
keys mathematically from this mater key.
Then it regularly changes and rotates the
encryption keys so that the same encryption
key will never be used twice
AES provides security between client
workstations operating in ad hoc mode. It
uses a mathematical ciphering algorithm
that employs variable key sizes of 128, 192
or 256 bits.
RADIUS Server/RADIUS Port/RADIUS Key:
Please refer to the previous page.
Group Key Rotation Interval:
Key in the time for the WAP group key rotation interval. The unit is second. With increasing
rekey interval, user bandwidth requirement is reduced.
WPA/WPA2 Re-auth Interval:
When a wireless client has associated with the EMTA Gateway for a period of time longer
than the setting here, it would be disconnected and the authentication will be executed
again. The default value is 3600, you may modify it.
WPA-PSK/ WPA2-PSK
For the WPA-PSK/WPA2-PSK network
Authentication, the settings that you can
adjust including WPA/WPA2 Encryption,
WPA Pre-Shared Key, and Group key
Rotation Interval.
WPA Pre-Shared Key:
Please type the key to be between 8 and 63
characters, or 64 hexadecimal digits. Only
the devices with a matching key that you set
here can join this network.
WPA/WPA2 Encryption & WPA Group
Rekey Interval:
Please refer to the WPA/WPA2 part.
Access Control
This page allows you to make access control to the AP or connected clients by offering the MAC
Addresses of the clients.
Chapter 2: Web Configuration
Illustrations contained in this document are for representation only. 35
MAC Restrict Mode:
Click Disabled to welcome all of the clients on the network; select Allow to permit only the
clients on the list to access the cable modem; or choose Deny to prevent the clients on the
list to access this device.
MAC Address:
Enter the MAC addresses of the connected clients into the fields, then click Apply to add
them to the list for access control.
Connected Clients:
The information of current connected clients will be displayed in this field.
Chapter 2: Web Configuration
36
Advanced
This page allows you to configure the data rates and WiFi thresholds.
54gTM Network Mode:
There are three modes for you to choose, please check the specification of your wireless
card and choose a proper setting.
54gTM Protection:
Select Auto to turn on the 54gTM protection; select Off to turn down the protection.
XpressTM Technology:
Click Enabled to start this function; choose Disabled to close this function.
AfterburnerTM Technology:
When enabled, the data transmission will be faster for the clients. Yet, the clients must
support 125Mbps throughput, then you can choose Enabled. Otherwise, choose Disabled.
Rate:
It decides the speed of data transmission. There are several rates provided here for you to
choose. Choose any one of it according to your needs by using the drop-down menu.
Output Power:
This setting decides the output power of this device. You may use it to economize on
electricity by selecting lower percentage of power output.
Beacon Interval:
Set the period of beacon transmissions to allow mobile stations to locate and identify a BSS.
The measure unit is “time units” (TU) of 1024 microseconds.
DTIM Interval:
The value you set here is used to inform mobile stations when multicast frames that have
been buffered at the EMTA gateway will be delivered and how often that delivery occurs.
Fragmentation Threshold:
Set the number of the fragmenting frames to make the data to be delivered without errors
induced by the interference. Frames longer than the value you set here are fragmented
before the initial transmission into fragments no longer than the value of the threshold.
RTS Threshold:
Set the value for sending a request to the destination. All the frames of a length greater
Chapter 2: Web Configuration
Illustrations contained in this document are for representation only. 37
than the threshold that you set here will be sent with the four-way frame exchange. And, a
length less than or equal to the value that you set will not be proceeded by RTS.
Bridging
This page allows you to configure the WDS features.
WDS (Wireless Distribution System) is a system that enables the interconnection of access points
wirelessly. It may also be referred to as repeater mode because it appears to bridge and accept
wireless clients at the same time (unlike traditional bridging).
Wireless Bridging:
Choose Disabled to shutdown this function; select Enabled to act as a repeater.
Remote Bridges:
Enter the MAC Addresses of the remote Bridges to relay the signals for each other.
Chapter 2: Web Configuration
38
Chapter 3: Additional Information
Illustrations contained in this document are for representation only. 39
Frequently Asked Questions
Q. What if I don’t subscribe to cable TV?
A. If cable TV is available in your area, data and voice service may be made available with or
without cable TV service. Contact your local cable company for complete information on cable
services, including high-speed internet access.
Q. How do I get the system installed?
A. Professional installation from your cable provider is strongly recommended. They will ensure
proper cable connection to the modem and your computer. However, your retailer may have
offered a self installation kit, including the necessary software to communicate with your cable
ISP.
Q. Once my EMTA Gateway is connected, how do I get access to the Internet?
A. Your local cable company provides your internet service*, offering a wide range of services
including email, chat, and news and information services, and a connection to the World Wide
Web.
Q. Can I watch TV, surf the Internet, and talk to my friends through the EMTA Gateway at
the same time?
A. Absolutely!
Q. What do you mean by “Broadband?”
A. Simply put, it means you’ll be getting information through a “bigger pipe,” with more
bandwidth, than a standard phone line can offer. A wider, “broader” band means more
information, more quickly.
Q. What is DOCSIS and what does it mean?
A. “Data Over Cable Service Interface Specifications” is the industry standard that most cable
companies are adopting as they upgrade their systems. Should you ever decide to move, the
EMTA Gateway will work with all upgraded cable systems that are DOCSIS-compliant.
* Monthly subscription fee applies.
** Additional equipment required. Contact your cable company and ISP for any restrictions or
additional fees.
Q. What is PacketCable and what does it mean?
A. Like DOCSIS, PacketCable is the industry standard for telephony services that most cable
Chapter 3: Additional Information
40
companies are adopting as they upgrade their systems. Should you ever decide to move, the
EMTA Gateway will work with all upgraded cable systems that are PacketCable-compliant.
Chapter 3: Additional Information
Illustrations contained in this document are for representation only. 41
General Troubleshooting
You can correct most problems you have with your product by consulting the troubleshooting
list that follows.
I can’t access the internet.
z Check all of the connections to your EMTA Gateway.
z Your Ethernet card or USB port may not be working. Check each product’s
documentation for more information.
z The Network Properties of your operating system may not be installed correctly or the
settings may be incorrect. Check with your ISP or cable company.
All of the lights are flashing in sequence.
z This means the EMTA Gateway is automatically updating its system software. Please
wait for the lights to stop flashing. The updating process typically lasts less than one
minute.
z Do not remove the power supply or reset the EMTA Gateway during this process.
I can’t get the modem to establish an Ethernet connection.
z Even new computers don’t always have Ethernet capabilities – be sure to verify that your
computer has a properly installed Ethernet card and the driver software to support it.
z Check to see that you are using the right type of Ethernet cable.
The modem won’t register a cable connection (CABLE LINK light not on
continuously).
z If the modem is in Initialization Mode, the INTERNET light will be flashing. Call your
Cable Company if it has not completed this 5-step process within 30 minutes, and note
which step it is getting stuck on. (See page 24 for details.)
z The modem should work with a standard RG-6 coaxial cable, but if you’re using a cable
other than one your Cable Company recommends, or if the terminal connections are
loose, it may not work. Check with your Cable Company to determine whether you’re
using the correct cable.
z If you subscribe to video service over cable, the cable signal may not be reaching the
modem. Confirm that good quality cable television pictures are available to the coaxial
connector you are using by connecting a television to it. If your cable outlet is “dead”,
Chapter 3: Additional Information
42
call your Cable company.
z Verify that the Cable Modem service is DOCSIS-compliant and PacketCable-compliant by
calling your cable provider.
I don’t hear a dial tone when I use a telephone.
z Telephone service is not activated. If the rightmost light on the EMTA Gateway stays on
while others flash, check with your TSP or cable company.
z If the EMTA Gateway is connected to existing house telephone wiring, make sure that
another telephone service is not connected. The other service can normally be
disconnected at the Network Interface Device located on the outside of the house.
z If using the second line on a two-line telephone, use a 2-line to 1-line adapter cable.
For more Usage and Troubleshooting Tips use the web site links provided on the CD-ROM:
http://www.cable-modem.rca.com/help
Chapter 3: Additional Information
Illustrations contained in this document are for representation only. 43
FCC Declaration of Conformity and Industry Canada Information
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
Trade Name: RCA Model: DWG855
Equipment Classification: Computing Device Accessory
Responsible Party: Thomson Inc.
10330 N. Meridian Street
Indianapolis, IN 46290
Telephone 317-415-4151
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However there is no
guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try and correct the interference by one or
more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect this equipment into an outlet on a circuit different from that to which the
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
FCC regulations state that unauthorized changes or modifications to this equipment may void
the user’s authority to operate it.
This Class B digital apparatus meets all requirements of the Canadian Interference Causing
Equipment Regulations.
Chapter 3: Additional Information
Service Information
If you purchased or leased your EMTA Gateway directly from your cable company, then warranty
service for the Digital Cable Modem may be provided through your cable provider or its
authorized representative. For information on 1) Ordering Service, 2) Obtaining Customer
Support, or 3) Additional Service Information, please contact your cable company. If you
purchased your EMTA Gateway from a retailer, see the enclosed warranty card.
For the US market this equipment is restricted, by the use of special firmware, to operate in
the 2.4 GHz band on channels 1~11 only.
Caution: Exposure to Radio Frequency Radiation.
The antenna used for this transmitter must be positioned to provide a separation distance of
at least 20 cm from all persons and must not be co-located or operating in conjunction with
any other antenna or transmitter.
44
Chapter 3: Additional Information
Illustrations contained in this document are for representation only. 45
Glossary
10BaseT – Unshielded, twisted pair cable with an RJ-45 connector, used with Ethernet LAN (Local
Area Network). “10” indicates speed (10 Mbps), “Base” refers to baseband technology, and “T”
means twisted pair cable.
Authentication - The process of verifying the identity of an entity on a network.
DHCP (Dynamic Host Control Protocol) – A protocol which allows a server to dynamically
assign IP addresses to workstations on the fly.
DOCSIS (Data Over Cable Service Interface Specifications) – A project with the objective of
developing a set of necessary specifications and operations support interface specifications for
Voice Over IP Cable Modems and associated equipment.
Ethernet card – A plug-in circuit board installed in an expansion slot of a personal computer.
The Ethernet card (sometimes called a Network Interface Card or NIC) takes parallel data from
the computer, converts it to serial data, puts it into a packet format, and sends it over the
10BaseT or 100BaseT LAN cable.
F Connector – A type of coaxial connector, labeled CABLE IN on the rear of the EMTA Gateway,
that connects the modem to the cable system.
HTTP (HyperText Transfer Protocol) – Invisible to the user, HTTP is used by servers and clients
to communicate and display information on a client browser.
Hub – A device used to connect multiple computers to the EMTA Gateway.
IP Address – A unique, 32-bit address assigned to every device in a network. An IP (Internet
Protocol) address has two parts: a network address and a host address. This modem receives a
new IP address from your cable operator via DHCP each time it goes through Initialization Mode.
Key exchange - The swapping of mathematical values between entities on a network in order to
allow encrypted communication between them.
MAC Address – The permanent “identity” for a device programmed into the Media Access
Control layer in the network architecture during the modem’s manufacture.
Network Driver – A file that is loaded on the computer to allow the computer to recognize the
Ethernet card or USB port.
NID - Network Interface Device, the interconnection between the internal house telephone wiring
and a conventional telephone service provider’s equipment. These wiring connections are
Chapter 3: Additional Information
46
normally housed in a small plastic box located on an outer wall of the house. It is the legal
demarcation between the subscriber’s property and the service provider’s property.
PacketCable – A project with the objective of developing a set of necessary telephony
specifications and operations support interface specifications for EMTA Gateways and associated
equipment used over the DOCSIS-based cable network.
PSTN (Public Switched Telephone Network) – The worldwide voice telephone network which
provides dial tone, ringing, full-duplex voice band audio and optional services using standard
telephones.
Provisioning - The process of enabling the Media Terminal Adapter (MTA) to register and
provide services over the network.
TCP/IP (Transmission Control Protocol/Internet Protocol) – A networking protocol that
provides communication across interconnected networks, between computers with diverse
hardware architectures and various operating systems.
TFTP - Trivial File Transfer Protocol, the system by which the Media Terminal Adapter’s
configuration data file is downloaded.
TSP - Telephony Service Provider, an organization that provides telephone services such as dial
tone, local service, long distance, billing and records, and maintenance.
Universal Serial Bus (USB) – USB is a “plug-and-play” interface between a computer and add-on
devices, such as an EMTA Gateway.
Chapter 3: Additional Information
Illustrations contained in this document are for representation only. 47
Please do not send any products to the Indianapolis address listed in this manual or on the
carton. This will only add delays in service for your product.
Thomson Inc.
10330 North Meridian Street
Indianapolis, IN 46290
© 2004 Thomson Inc.
Trademark(s) Registered
Marca(s) Registrada(s)
Printed in USA
TOCOM 1691104A