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Scientific Atlanta DPR2320TM manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    WebSTAR™ DPR2320™ and EPR2320™ Gateway Cable Modems User’s Guide[...]

  • Page 2

    1 W ebST AR™ DPR2320™ and EPR2320™ Gateway Cable Modems User ’ s Guide Introduction Welcome to the exciting world of home and office n e tworking. Your new WebSTAR™ DPR2320™ or EPR2320™ Gateway Cable Modem allows several users to share one high-speed broadb an d connection across multiple PCs, laptops, digital cameras, personal data a[...]

  • Page 3

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 2 In This Guide IMPORTANT RULES FOR SAFE OPERATION ............................................................................................. ............. 3 What’s In t he Cart on? ................................................................................................[...]

  • Page 4

    Important Rules for Safe Operation 3 IMPORT ANT RULES FOR SAFE OPERA TION Note to Installer CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS Note to CATV System Installer This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the NEC (Section 54, Part I of the Canadian Electrical Code), that provides guideline[...]

  • Page 5

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 4 Accessories Do not use accessories with this equip m ent unle ss recommended by your cabl e service provider. Ventilation This equipment has openin gs for ventilation that protect it from overheating. To ensure the reliability of this equipment, do not obst ruct the openings. • [...]

  • Page 6

    Important Rules for Safe Operation 5 Power Cord Protection Arrange all power cord s so that people can not walk on the cords, p lace objects on the cords, or place obje cts ag ain st t he cords, which can damage the cords. Pay particular attention to cords that are at plugs, at electri cal outlet s, and at the places where the cords exit the equipm[...]

  • Page 7

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 6 What’ s In the Carton? When you receive your gateway ca ble modem, you should check the equipmen t and accessories to verify that each item is in the carton and that each item is undamaged. The ca rton co ntains the following items: One Model DPR2320 or EPR232 0 Gateway Cable Mo[...]

  • Page 8

    Front Panel Description 7 Front Panel Description The front panel of your cable modem prov ides statu s light s that indicate how well and at what state your cable modem is operating. After the cable mo dem is succe ssfully registered on the netw ork, the POWER and CABLE status indicators illuminate continuously to show t hat the cable modem is act[...]

  • Page 9

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 8 Back Panel Description The following illustration describes the back panel components of the DPR232 0 and the EPR2320. T10947 2 1 4 5 6 POWER ANTENNA 12 VDC RESET ETHERNET CABLE USB 3 1 ANTENNA — Provides a communication connection for the built-in wireless a c cess point (WA P [...]

  • Page 10

    Where is the Best Location for My Gateway Cable Mode m? 9 Where is the Best Location fo r My Gateway Cable Modem? The ideal location for your gateway cable modem is whe r e it has access to outl ets and other devices. Think about the layout of your home or office, and c onsult with your cable service provider to select the best location for your ga[...]

  • Page 11

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 10 How Do I Set Up My High-Sp eed Internet Access Account? Before you can use your gateway cable modem, you need to have a high-speed Internet a ccess account. If you do not have a high-speed Internet access account, you need to set up an account with your local cabl e se rvice prov[...]

  • Page 12

    How Do I Connect My Devices to Use the Internet? 11 How Do I Connect My Devices to Use the Internet? You can use your gateway cable mode m to access the Inte rnet, and you can share that Internet connection with other Internet devices in your home or office. Sharin g one connection among many devices is called networking. Connecting and Installing [...]

  • Page 13

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 12 To install the gateway cable modem 1. Power down your PC and unplu g it from the power source. 2. Connect your PC to either the ETHERNET port or the USB port using the appropriate data cable. Do not conn ect your PC to both the Ethernet and USB ports at the same time. You can con[...]

  • Page 14

    How Do I Configure TCP/IP Protocol? 13 How Do I Configure TCP/IP Protocol? To configure TCP/IP protocol, you need to have an Et hernet Network Interface Ca rd (NIC) with TCP/IP communications p roto col i nstalle d on your system. TCP /IP is a communications protocol us ed to acce ss the Internet. This section contains instru ctions for configur in[...]

  • Page 15

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 14 To configure Windows 2000 systems 1. Click Start , select Settings , and choose Network and Dial-up Connections . 2. Double-click the Local Area Connection icon in the Network and Dial-up Connections window. 3. Click Properties in the Local Area Connection Status window. 4. Click[...]

  • Page 16

    How Do I Configure TCP/IP Protocol? 15 To configure Macintosh systems 1. Click the Apple icon in the upper left corner of the Finder. Scroll down to Control Pa nels , and then click TCP/IP . 2. Click Edit on the Finder (gray bar) at the top of the screen. Scroll down to the bottom of the menu, and then click User Mode . 3. Click Advanced in the Use[...]

  • Page 17

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 16 How Do I Install USB Drivers? To install USB drivers, your PC must be equipped wit h a USB network interface and a Microsoft Windows 98SE, ME, 2000, or XP operating system. This section contai ns in struction s for installing the gateway cable modem USB drivers. If you are not us[...]

  • Page 18

    How Do I Install USB Drivers? 17 To install Windows 2000 drivers 1. Insert the USB Cable Modem Driver Installation Disk into the CD-ROM drive of your PC. 2. Wait until the Power and Cable indicators on the cable modem illuminate solid green. 3. Click Next in the Found New Hardware Wizard window. 4. Select Search for a suitable driver for my device [...]

  • Page 19

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 18 How Do I T roubleshoot My Internet Service Installation? I cannot connect to the Internet • Verify that the plug to your gateway cable modem AC adapter is properly inserted into an electrical outlet. • Verify that your gateway cable modem AC adapter is not plugged into an ele[...]

  • Page 20

    How Do I Troubleshoot My Internet Service Install ation? 19 I need to renew the IP address on my PC If your PC cannot access the Internet af ter the cable modem is onl ine, it is possible that your PC did not renew its IP address. Follow the app ropriate instructions in this section for your operat ing system t o renew the IP address on your PC. To[...]

  • Page 21

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 20 What are the Requirements for Ethernet Network Devices? How Many Ethernet Network Devices Can I Connect? The gateway cable modem can supp ort se veral Ethernet network devices using either the Ethernet port on the back pan e l of the unit, or external Ethernet hub s that must be [...]

  • Page 22

    How Do I Select and Place Ethernet Netw ork Devices ? 21 How Do I Select and Place Ethernet Network Devices? You can use a large variety of Ethernet netwo rk d evice s with your gateway cable modem. These include NIC cards, hubs, bridges, etc. Conta ct y our cable service provide r or consul t the documentation fo r your Ethern et network devices f[...]

  • Page 23

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 22 How Do I Connect Ethernet Network Devices? Connecting Ethernet Devices You must connect your Ethernet devices for use with the gateway cable modem. Professional installation may be avail able. Contact your local cable service provider for further assistance. The following diagram[...]

  • Page 24

    How Do I Connect Ethernet Network Devices? 23 To connect Ethernet device s Read the warnings and caution on this page. Then, follow the subsequent installation procedures to ensure pr oper gateway cabl e modem operation when connecting Ethernet network devices. 1. Select locations for Ethernet network devices. Fo r more information, see How Do I Se[...]

  • Page 25

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 24 What are the Requirements for USB Network Devices? How Many USB Devices Can I Connect? Contact your cable service provide r for more information on the maximum number of USB network devices to connect to the ga teway ca ble modem in order to maintain optimal network performance. [...]

  • Page 26

    How Do I Select and Place USB Network Devices ? 25 How Do I Select and Place USB Network Devices? You can use a large variety of USB network devi ces with your gateway cable modem. These include desktop computers, laptop computers, devi ces with USB ports, USB adapters. Contact your ca ble service provider or consult the documentation for your USB [...]

  • Page 27

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 26 How Do I Connect USB Network Devices? Connecting USB Devices You must connect your USB devices for use with your gateway cabl e modem. Professional installation may be avail able. Contact your local cable service provider for further assistance. The following diagram illustrates [...]

  • Page 28

    How Do I Connect USB Network Devices? 27 To connect USB devices Read the warnings and caution on this page. Then, follow the subsequent installation procedures to ensure pr oper gateway cabl e modem operation when connecting USB network devices. Verify that you have installed the U SB drivers on your PC before continuing with these instructions. Se[...]

  • Page 29

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 28 What are the Requirements for Wireless Network Devices? How Many Wireless Devices Can I Connect? The gateway cable modem serve s a s a wirel ess a ccess point (WAP). The WAP on the gateway cable modem provides wireless network service to multiple wireless network device s. Conta [...]

  • Page 30

    How Do I Select and Place Wireless Netw ork Devices ? 29 How Do I Select and Place Wireless Network Devices? You can use a large variety of wireless network de vices with your gateway cable modem. These include computers, PDAs, etc. On the wireless network, all de vices impact t he ch aracteristics of the network, because each device transmits a wi[...]

  • Page 31

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 30 How Do I Install Wireless Network Devices? Installing Wireless Network Devices You must install wireless network devic es for use with your gatewa y cable modem. Professional installation may be available. Contact your local cable service provider for further assi stan ce. The fo[...]

  • Page 32

    How Do I Install Wire less Network Devices? 31 To install wireless network devices Read the warnings and caution on this page. Then, follow the subsequent installation procedures to ensure pr oper gateway cabl e modem operation when using wireless network devices. Follow these steps to install the gateway cable modem for accessing wirele ss network[...]

  • Page 33

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 32 How Do I Configure the Gateway Cable Modems? To configure your gateway cable mode m, you must ac cess the WebWizard configuration pages. Thi s section provides detailed instructions and proce dures for confi guring your gateway cable modem to operate corre ctly and presents an ex[...]

  • Page 34

    How Do I Configure the Gateway Cable Mode ms? 33 About Your Modem Page Description The following table provides a descriptio n of each fiel d within the About Your Modem page. Field Name Description Name The name of the gateway cable modem Cable Modem Serial Number A unique sequential series of alphanumeric characters provided to every modem during[...]

  • Page 35

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 34 Setting Configuration Options Click Setup on the arc logo located in the upper po rtion of the About Your Modem screen to access the Setup page. Use the Setup page to a ccess the various gateway cable modem co nfigu rat ion options. Detailed descriptions of each configuration opt[...]

  • Page 36

    How Do I Configure the Gateway Cable Mode ms? 35 Setup Page Section Headings The Setup page is divided into the following section h eadings: • Basic Setting s • Advanced Settings • Firewall • Wireless In the Setup page, click the selections li sted withi n these sections to access the WebWizard page for that selection. A description of the [...]

  • Page 37

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 36 Field Name Description Port Forwarding Use this page to configure port forwarding for local IP addresses. Port forwarding allows you to run a server on the local area network (LAN) by spec ifying the mapping of TCP/UPD ports to local PCs or to the IP address of other devices. Thi[...]

  • Page 38

    How Do I Configure the Gateway Cable Mode ms? 37 Wireless The following table provides a descriptio n of the page s availabl e from within the Wireless section of the Setup page. Field Name Description Basic Use this page to configure your wireless acce ss point (WAP) parameters, including service set identifier (SSID) and chann el numbe r Privacy [...]

  • Page 39

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 38 Setup Basic Settings – Passw ord Settings Page Example The following illustration is an example of the Basic Settings – Password Settings page. Setting Up Your Password To set up your password, type your password in the Password fiel d, and then re-type your password in the R[...]

  • Page 40

    How Do I Configure the Gateway Cable Mode ms? 39 Configuring the Default Settings You can use the default settings, or, if your system requires different settings to operate correctly, you can change the de fault setting s usi ng the Setup Basic Settings – Network Configuration page. If you are not familiar with the network configuration proc edu[...]

  • Page 41

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 40 Setup Basic Settings – Network C onfiguration Page Description The following table provides a descriptio n of the fields within the Setup Basic Settings – Network Configuration page. Field Name Description LAN IP Address The base IP address of t he private home LAN and the We[...]

  • Page 42

    How Do I Configure the Gateway Cable Mode ms? 41 Function Keys The following function keys appear on the Setup Basi c Settings – Network Configuration page. Key Description Renew WAN IP Address Lease Forces a release and renewal of your WAN IP address Apply Saves the values you enter into the fields without closing the screen Configuring and Mana[...]

  • Page 43

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 42 Setup Basic Settings – IP Ma nagement Page Description The following tables provide a descriptio n of the fields within the Setup Basic Settings – IP Management page. Field Name Description DHCP Server Allows you to enable or disable the DHCP server Starting Local Address The[...]

  • Page 44

    How Do I Configure the Gateway Cable Mode ms? 43 Reserving IP Addresses Use the Setup Basic Settings – Fixed C PE IP Assignment page to reserve IP addresses to be issued by the DHCP server in the gateway to sp ecific devices on the LAN. This feature allows you to assi gn a fixed IP address to any device in your network and eliminates the need to [...]

  • Page 45

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 44 Setup Basic Settings – Fixed CPE IP Assignment Page Description The following tables provide a descriptio n of the fields within the Setup Basic Settings – Fixed CPE IP Assignment page. Field Name Description MAC Address The MAC address of t he PC or devi ce (for example, a p[...]

  • Page 46

    How Do I Configure the Gateway Cable Mode ms? 45 Enabling and Disabling Advanced Features Use the Setup Advanced Settings – Options page to enable or di sable advanced features on your network. Whe n the wireless interface is disable d, the tran smitter is turned off. If you are not familiar with the advance d settings detailed in this section, c[...]

  • Page 47

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 46 Setup Advanced Settings – Options Page Description The following table provides a descriptio n of the fields within the Setup Advanced Settings – Options page. If you make changes in the Setup Advanced Settings – Options pa ge, click Apply to apply and save your new IP addr[...]

  • Page 48

    How Do I Configure the Gateway Cable Mode ms? 47 Configuring IP Address Filters Use the Setup Advanced Settings – IP F iltering page to configure IP address filters. These filters block a rang e of IP addre sses from accessing the Internet. If you are not familiar with the advance d settings detailed in this section, contact your cable service pr[...]

  • Page 49

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 48 Configuring MAC Address Filters Use the Setup Advanced Settings – MA C Filtering page to config ure MAC address filters. These filters allow you to deny or bloc k access to the Internet by the individual MAC addresses listed in the table. You can also prevent individual PCs fro[...]

  • Page 50

    How Do I Configure the Gateway Cable Mode ms? 49 Setup Advanced Settings – MAC Filtering Page Description Use this page to enter the MAC address or MAC add resse s of devices whose Internet access you want to control. Click Apply to apply and save your new MAC address filter settings. Setting Up MAC Address Filters The Block/Pass drop down menu a[...]

  • Page 51

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 50 Configuring and Enabling TCP and UDP Port Filters Use the Setup Advanced Settings – Port Filtering page to configure and en able TCP and UDP port filters. These filters pr event a range of TCP/UDP ports from accessing the Internet. You can al so pre vent PCs from sending outgoi[...]

  • Page 52

    How Do I Configure the Gateway Cable Mode ms? 51 Configuring Port Forwardi ng for Local IP Addresses Use the Setup Advanced Settings – Port Forwarding page to configure p ort forwarding for local IP addresses. Port forwarding allo ws you to run a server on the LAN by specifying the mapping of TC P/UDP ports to a local P C. You must also set up a [...]

  • Page 53

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 52 Setup Advanced Settings – Port Forwarding Page Description The following example illustrates how to use the port forwarding feature to configure the Microsoft X-Box Online Live for Internet gaming. For most widely used applications (inclu ding Micro soft X-Box Online Live), the[...]

  • Page 54

    How Do I Configure the Gateway Cable Mode ms? 53 Configuring TCP/UDP Port Triggers Use the Setup Advanced Settings – Port Triggers page to configure TCP/UDP port triggers. Port triggering is similar to port forwarding but is dynamic. In other words, the system does not hold the port s open indefi nitely. For example, when the gateway cable modem [...]

  • Page 55

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 54 Setup Advanced Settings – Port Triggers Page Description Use this page to enter and enable the po rt forwarding trigger and target range start and end ports along with protocol in formation in the appropriate fields. The following example illustrates how to use the port trigger[...]

  • Page 56

    How Do I Configure the Gateway Cable Mode ms? 55 Configuring the DMZ Host Use the Setup Advanced Settings – DMZ Host page to configure an IP addre ss that is visible to the WAN. DMZ hosting is commonly referred to as “exposed host,” and allows you to specify the “defaul t” recipi ent of WAN traffic that Network Address Translation (NAT) i[...]

  • Page 57

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 56 Configuring Web Page Filter ing, Parental Control, and Firewall Protection Use the Setup Firewall – Web Filters page to co nfigure Web page filtering and firewall protection. This page allows you either blo ck or allow Internet access based on keywords and/or domain n ame s. Y [...]

  • Page 58

    How Do I Configure the Gateway Cable Mode ms? 57 Setup Firewall – Web Filters Page Description This section describes the section headings and fields descriptions of the Setup Firewall – Web Filters page. Section Headings The Setup Firewall – Web Filters page is divided into the following section headings: • Content Filtering (Parental cont[...]

  • Page 59

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 58 Keyword and Domain Blocking Keyword and Domain blocking allows you to restri ct access to Internet sites by blocking access to those sites ba sed on a word or a text string contained in the URLs used to access those Internet s ites. Domain blocking allows you to restri ct a ccess[...]

  • Page 60

    How Do I Configure the Gateway Cable Mode ms? 59 Configuring Firewall Time of Day Access Filters Use the Setup Firewall – Time of Day Access Filter page to block all traffic to and from specific computers based o n the da y of week an d the time of day. If you are not familiar with the advance d settings detailed in this section, contact your cab[...]

  • Page 61

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 60 Configuring Firewall Event Logging and E-mail Alerts Use the Setup Firewall – Event Logging page to access the firewall event log an d allows you to enter your e-mail address in orde r for you to re ceive e-mail alerts related to firewall attacks by hackers. If you are not fami[...]

  • Page 62

    How Do I Configure the Gateway Cable Mode ms? 61 Setup Firewall – Event Logging Page Description The Setup Firewall – Event Logging page show s events captured by the firewall. The log displays the following items: • Description of the event • Number of events that have occurre d • Last occurrence of an event • Target and source address[...]

  • Page 63

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 62 Configuring Your Wireless Access Point Parameters Use the Setup Wireless – Basic page to configu re your wireless access point (WAP) parameters, include d SSID and chann el number. If you are not familiar with the advance d settings detailed in this section, contact your cable [...]

  • Page 64

    How Do I Configure the Gateway Cable Mode ms? 63 Setup Wireless – Basic Page Description This section describes the section headings and fields descriptions of the Setup Wireless – Basic pag e. If you make changes in the Setup Wireless – Basi c page, click Apply to apply and save your wireless basic settings. Field Name Description Service Se[...]

  • Page 65

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 64 Configuring Your Wireless Ne twork Privacy and Encryption Parameters Use the Setup Wireless – Privacy page to configure your WAP wire d equivalent privacy (WEP) encryption keys and authenticatio n. If you are not familiar with the advance d settings detailed in this section, co[...]

  • Page 66

    How Do I Configure the Gateway Cable Mode ms? 65 Setup Wireless – Priv acy Page Description This section describes the section headings and fields descriptions of the Setup Wireless – Privacy page. If you make changes in the Setup Wireless – Privacy page, click Apply to apply and save your wireless privacy settings. Field Name Description Enc[...]

  • Page 67

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 66 64 Bit Keys For use with Encryption Mode set to 64-bit encryption. Enter 5-byte values for a Key. You do not have to set all four Keys. Only one Key is used for a home network. Each value is represented in hexade cimal. Use only these numbers or letters: 0, 1, 2, 3, 4, 5, 6, 7, 8[...]

  • Page 68

    How Do I Configure the Gateway Cable Mode ms? 67 Configuring Wireless Acce ss Point Access Control Use the Setup Wireless – Access Contro l page to co nfigure you r configure your wireless acce ss point access cont rol. If you are not familiar with the advance d settings detailed in this section, contact your cable service provider before you att[...]

  • Page 69

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 68 Setup Wireless – Access C ontrol Page Description This section describes the section headi ngs and field descriptio ns of the Setup Wireless – Access Control page. Field Name Description Authentication When encryption is enable d, this sele ction allows you to choose one of t[...]

  • Page 70

    How Do I Configure the Gateway Cable Mode ms? 69 Function Keys The following function keys appear on the Setup Fire wall – Event Logging page. Key Description Apply Applies and saves the values you enter into the fields without closing the screen Clear Clears the Acce ss Li st Remove Removes entries from the Acce ss List Add Adds a client to the [...]

  • Page 71

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 70 Setup Wireless – Advanced Page Example The following illustration is an example of the Setup Wirele ss – Advanced page. We recommend that you do not chang e the default wireless settings that are shown in the preceding illustration unle ss you are instructed to do so by your [...]

  • Page 72

    How Do I Configure the Gateway Cable Mode ms? 71 Setup Wireless – Adva nced Page Description This section describes the section headings and fields descriptions of the Setup Wireless – Advanced page. If you make changes in the Setup Wireless – Advanced pag e, click Apply to apply and save your wireless advanced settings. Field Name Descriptio[...]

  • Page 73

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 72 Having Difficulty? Frequently Asked Questions Q. What if I don’t subscribe to cable TV? A. If cable TV is available in your ar ea, data service may be made available with or without subscribing to cable TV serv ice. Co ntact your lo cal cable service provider for complete infor[...]

  • Page 74

    Having Difficulty? 73 Common Troubleshooting Issues I don’t understand the front panel status indicators. See Front Panel Status Indicator Functions , later in this guide for more detailed information on the front panel status indicato r operation and function. The modem does not register an Ethernet connection. • Verify that your computer has [...]

  • Page 75

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 74 Tips for Improved Perfor mance Check and Correct If your cable modem does not perform as expected, the followi ng tips may help. If you need further assistan ce, conta c t your cable service provider. • Verify that the plug to your cable mo dem AC adapter is properly inserted i[...]

  • Page 76

    How Do I Renew the IP Address on My PC? 75 How Do I Renew the IP Address on My PC? If your PC cannot access the Internet after the cable modem i s online, it is possible that your PC did not renew its IP address. Renewing the IP Address on Your PC Follow the appropriate instructions in this section for your operating system to renew the IP address [...]

  • Page 77

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 76 Front Panel Status Indicator Functions Initial Power Up, Calibration, and Registration The following chart illustrat es the sequ ence of steps and the correspondin g appearance of the cable modem fro nt panel status indicators during power up, calibration, and registration on the[...]

  • Page 78

    Front Panel Status Indicator Functions 77 Special Conditions The following chart descri b es the appea rance of the cable modem front panel status indicators during special conditions to show that you have been denied network ac ce ss. T10713 Front Panel LED Status Indicators During Special Conditions Front Panel LED Status Indicators During Specia[...]

  • Page 79

    WebSTAR DPR2320 and EP R23 20 Gateway Cable Modems User ’s Guide 78 Notices Trademarks Scientific-Atlanta and the Scientific-Atlanta logo are registered tra de marks of Scientific-Atlanta, Inc. WebSTAR, DPR2320, EPR2320, and “Brin ging the Interactive Experience Home” are trademar ks of Scientific-Atlanta, Inc. DOCSIS is a registered trademar[...]

  • Page 80

    FCC Compliance 79 FCC Compliance United States FCC Compliance This equipment has been tested a nd found to comply with the applicable limits of Part 15 of FCC Rules. These limits are designe d to provide reasonable protection against harmful interference i n a residential installation. This equipment generates, uses, and can radi at e radio frequen[...]

  • Page 81

    For Information If You Have Questions If you have technical questions, contact your local cable service provider. Bringing the Interactive Experience Home Scientific-Atlanta, Inc. 5030 Sugarloaf Parkway , Box 565447 La wrenceville, GA 30042 770.236.5000 w ww.scientificatlanta.com Product and service availability subject to change without notice. ©[...]