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4004041 Rev C 

 

How Do I Troubleshoot My Internet Service Installation? 

 

How Do I Renew the IP Address on My PC? 

If your PC cannot access the Internet after the cable modem is online, it is possible 
that your PC did not renew its IP address. Follow the appropriate instructions in this 
section for your operating system to renew the IP address on your PC. 

 

Renewing the IP address on Windows 95, 98, 98SE, and ME Systems 

1

 

Click 

Start

, and then click 

Run 

to open the Run window. 

2

 

Type 

winipcfg 

in the Open field, and click 

OK 

to execute the winipcfg 

command. The IP Configuration window opens. 

3

 

Click the down arrow to the right of the top field, and select the Ethernet adapter 

that is installed on your PC. The IP Configuration window displays the Ethernet 
adapter information. 

4

 

Click 

Release

, and then click 

Renew

. The IP Configuration window displays a 

new IP address. 

5

 

Click 

OK 

to close the IP Configuration window, you have completed this 

procedure. 

Note:

 If you cannot access the Internet, contact your service provider for further 

assistance. 

Renewing the IP Address on Windows NT, 2000, or XP Systems 

1

 

Click 

Start

, and then click 

Run

. The Run window opens. 

2

 

Type 

cmd 

in the Open field and click 

OK

. A window with a command prompt 

opens. 

3

 

Type

 ipconfig/release

 at the C:/ prompt and press 

Enter

. The system releases 

the IP address. 

4

 

Type

 ipconfig/renew

 at the C:/ prompt and press 

Enter

. The system displays a 

new IP address. 

5

 

Click the

 X

 in the upper-right corner of the window to close the Command 

Prompt window. You have completed this procedure. 

Note: 

If you cannot access the Internet, contact your service provider for further 

assistance. 

 

Summary of Contents for WebSTAR DPX2203

Page 1: ...o I Configure TCP IP Protocol 19 How Do I Install USB Drivers 22 What Are the Requirements for Ethernet Network Devices 24 How Do I Select and Place Ethernet Network Devices 25 How Do I Connect Ethern...

Page 2: ...tructions unless you are qualified to do so 20060608SICM EN Notice l attention des installateurs de r seaux c bl s Les instructions relatives aux interventions d entretien fournies dans la pr sente no...

Page 3: ...enungsanleitung aufgef hrt sind au er Sie sind zur Durchf hrung solcher Arbeiten qualifiziert 20060608SICM GR Aviso a los instaladores de sistemas CATV Las instrucciones de reparaci n contenidas en el...

Page 4: ...ada Only WARNING To avoid electric shock and fire hazard do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A ground...

Page 5: ...e cords which can damage the cords Handling Replaceable Battery Pack This product contains replaceable battery pack Heed the following warning and see the instructions later in this guide for handling...

Page 6: ...aerosol cleaner Do not use a magnetic static cleaning device dust remover to clean this product Protecting This Product from Foreign Objects and Water or Moisture Damage WARNING Avoid electric shock...

Page 7: ...required when The apparatus has been damaged in any way A power supply cord or plug is damaged Liquid has been spilled or objects have fallen into the apparatus The apparatus has been exposed to rain...

Page 8: ...able company or an experienced radio television technician for help Any changes or modifications not expressly approved by Scientific Atlanta Inc could void the user s authority to operate the equipme...

Page 9: ...end performance and reliability 10 100BaseT Ethernet and USB ports to provide connectivity for high speed data services or to other Internet devices Two RJ 11 telephony ports for connecting conventio...

Page 10: ...One CD ROM containing the user s guide and the USB drivers If any of the items listed are missing or damaged please contact your service provider for assistance Notes You will need an optional cable s...

Page 11: ...battery 4 LINE 2 Illuminates solid green when the telephone line 2 is in use 5 LINE 1 Illuminates solid green when telephone line 1 is in use 6 PC Illuminates solid green to indicate that an Ethernet...

Page 12: ...nal If the optional battery pack is installed the POWER LED LED 10 and the CABLE LED LED 7 blink periodically and the other lights go out to indicate that the modem is running on battery power Operati...

Page 13: ...1 POWER Connects the cable modem to the DC output of the AC power adapter that is provided with your cable modem CAUTION Only use the power cord and the AC power adapter that are provided with your c...

Page 14: ...efore you decide where to place your cable modem Consider these recommendations Position your PC and cable modem so that they are located near an AC power outlet Position your PC and cable modem so th...

Page 15: ...m Requirements for a PC A PC with a Pentium MMX 133 processor or greater 32 MB of RAM Web browsing software CD ROM drive Minimum System Requirements for Macintosh MAC OS 7 5 32 MB of RAM System Requir...

Page 16: ...information The serial number of the modem The Media Access Control MAC address of the modem These numbers appear on a bar code label located on the cable modem The serial number consists of a series...

Page 17: ...hat are available to you LINE 2 LINE 1 TELEPHONY POWER 12 VDC RESET ETHERNET CABLE USB Power Supply Cable Ready TV VCR or Set Top Converter PC Ethernet Cable RF Cable RF Cables Cable Splitter T10703 P...

Page 18: ...e and sign on to the broadband data network This process may take up to 5 minutes The modem will be ready for use when the ONLINE LED status indicator on the front panel stops blinking and illuminates...

Page 19: ...the TCP IP protocol Ethernet adapter 4 Is TCP IP protocol listed in the installed network components list If yes go to step 7 If no click Add click Protocol click Add and then go to step 5 5 Click Mi...

Page 20: ...ws XP Systems 1 Click Start and depending on your Start menu setup choose one of the following options If you are using the Windows XP Default Start Menu select Connect to choose Show all connections...

Page 21: ...t corner of the TCP IP window is unchecked If there is a check mark in the option uncheck the option and then click Info in the lower left corner 7 Is there a Hardware Address listed in this window If...

Page 22: ...the Add New Hardware Wizard window 4 Select Search for the best driver for your device Recommended in the Add New Hardware Wizard window and then click Next 5 Select CD ROM drive in the Add New Hardw...

Page 23: ...alling USB Drivers on Windows XP Systems 1 Insert the USB Cable Modem Driver Installation Disk into the CD ROM drive of your PC 2 Wait until the POWER and ONLINE LED status indicators on the front pan...

Page 24: ...ance WhatAre the Wiring Requirements for Ethernet Networking A number of factors can impact the practical limit of the network Although the cable modem is designed to support several Ethernet network...

Page 25: ...Best Location for My Ethernet Network Devices You should work with your service provider to choose the best location for your Ethernet network devices Consider these recommendations Location of two w...

Page 26: ...Line 2 Home Telephone Wiring Line 1 WARNING Hazardous electrical voltages can be present on any connected wiring Ethernet wiring and connections must be properly insulated to prevent electrical shock...

Page 27: ...e POWER connector on the back of the cable modem and then plug the cord into an AC power source 6 The cable modem begins an automatic search to locate and sign on to the network In some unusual circum...

Page 28: ...ve and that it supports two way service Verify that TCP IP is properly installed and configured on all devices if you are using the Ethernet connections Verify that you have followed the procedure in...

Page 29: ...your cable modem will not function properly Contact your service provider to determine if you are using the correct cable You may need to renew the IP address on your PC Refer to How Do I Renew the IP...

Page 30: ...ration window displays the Ethernet adapter information 4 Click Release and then click Renew The IP Configuration window displays a new IP address 5 Click OK to close the IP Configuration window you h...

Page 31: ...rovider to your current telephony service provider In some areas you may be able to transfer your existing telephone numbers or your cable telephony service provider will assign a new telephone number...

Page 32: ...hat is adjacent to your telephone equipment if you are using only one or two pieces of telephone equipment Note If you are using the cable modem to provide service to several telephones a professional...

Page 33: ...telephone devices cannot be accurately calculated With telephone devices that are not labeled each device should be connected and the ring signal should be tested before adding more devices If too ma...

Page 34: ...elephone service WARNING To avoid personal injury follow the installation instructions in the exact order shown Telephone connections to an installed home telephone wiring network must be done by a qu...

Page 35: ...ports on the cable modem Notes The cable modem provides one line of telephone service on each of the RJ 11 connectors Service must be set up and enabled by the telephone service provider The two cent...

Page 36: ...g and illuminates continuously Note Use an optional cable signal splitter to add a TV a DHCT or set top converter or a VCR 4 Test your telephone service by lifting the receiver of each attached teleph...

Page 37: ...ids Dispose of the battery in accordance with local regulations and instructions from your service provider Installing the Battery Pack 1 Disconnect all wires and cables and unplug the power supply fr...

Page 38: ...seat the connector Then slide the switch to the Lock position 7 Connect the 15 V DC power supply to the back panel of the modem and then plug the power supply into an AC power outlet The AC POWER LED...

Page 39: ...g the Modem Without a Battery Pack If you want you can choose to use the modem without a battery pack To remove the battery pack follow these steps 1 Slide the Lock Unlock switch to the Unlock positio...

Page 40: ...in Leave sufficient clearance between the bottom of the cable modem and any flooring or shelving underneath to allow access to cabling In addition leave enough slack in all cables so that the cable mo...

Page 41: ...g Illustrations You can mount the optional battery pack for the DPX2203 on a wall using two wall anchors two screws and the mounting slots on the bottom of the unit The modem can be mounted vertically...

Page 42: ...ounting screw locations Important Use the mounting slots labeled A on the template for vertical mounting or use the mounting slots labeled B on the template for horizontal mounting Not Drawn To Scale...

Page 43: ...where a wooden stud is not available If yes drive the anchor bolts into the wall and install the mounting screws into the anchor bolts leaving a gap of about 1 4 in between the screw head and the wal...

Page 44: ...does not work at other locations in the home a professional may need to diagnose and repair a problem with your telephone wiring Verify that the phone company has removed the previous telephone servic...

Page 45: ...Yes A single cable modem will theoretically support up to 253 Ethernet devices utilizing user supplied Ethernet hubs or routers that you can purchase at your local PC or office supply retailer Anothe...

Page 46: ...odem will not function properly Contact your cable service provider to determine whether you are using the correct cable Verify that you have followed the procedures in How Do I Troubleshoot My Intern...

Page 47: ...ng Requesting IP Address Registering Registration Complete 41 Line 2 Off On Off Off Off Off Off Off 5 Line 1 Off On Off Off Off Off Off Off 6 PC2 Off On Off On or Blinking Off On or Blinking Off On or...

Page 48: ...erred between the consumer premise equipment CPE and the cable modem Off When no devices are connected to either the Ethernet or USB ports Note With both Ethernet and USB devices connected to the mode...

Page 49: ...ied contact your cable service provider Front Panel LED Status Indicators During Special Conditions Front Panel Indicator Network access Denied 41 Line 2 Off 5 Line 1 Off 6 PC Slow Blinking 1 time per...

Page 50: ...ntific Atlanta Inc reserves the right to change this guide at any time without notice Documentation Copyright Notice 2006 Scientific Atlanta Inc All rights reserved Printed in the United States of Ame...

Page 51: ......

Page 52: ...lanta Inc Please see the Notices section of this document for a list of the Scientific Atlanta Inc trademarks used in this document All other trademarks shown are trademarks of their respective owners...

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