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14 

 

4011533 Rev A 

 

DPR2320 and EPR2320 Back Panel Description 

 

DPR2320 and EPR2320 Back Panel Description 

The following illustration shows the description and function of the back panel 
components of the DPR2320 and EPR2320. 

Important!

 Do not connect your PC to 

both

 the Ethernet and USB ports at the same 

time. Your modem will not function properly if both the Ethernet and USB ports are 
connected to your PC at the same time. 

 

1

 

ANTENNA—

Provides a communication connection 

for the built-in wireless access point (WAP) to allow 
wireless devices to communicate with the cable 
modem gateway 

2

 

POWER—

Connects the cable modem gateway to 

the DC output of the AC power adapter that is 
provided with your cable modem gateway 

 

CAUTION:

 

Avoid damage to your equipment. Only use the AC 
power cord that is provided with your 

cable modem 

gateway

.

 

3

 

RESET—

Activating this switch resets the cable 

modem gateway to factory default values and 
reboots the cable modem gateway 

Note:

 This switch is for maintenance purposes only. 

Do not use unless directed to do so by your service 
provider. 

4

 

ETHERNET—

One (DPR2320 and EPR2320 

modems) or four (DPR2325 and EPR2325 modems) 
RJ-45 Ethernet ports connect to the Ethernet port on 
your PC or to your home network 

5

 

USB—

2 Mbps USB port connects to the USB port on 

your PC 

6

 

CABLE—

F-Connector connects to an active cable 

signal from your service provider 

 

 

Содержание DPR2325

Страница 1: ...Service 18 How Do I Set Up My High Speed Internet Access Account 19 How Do I Connect My Devices to Use the Internet 21 How Do I Configure TCP IP Protocol 23 How Do I Install USB Drivers 26 What Are th...

Страница 2: ...figure the Cable Modem Gateway 43 Having Difficulty 112 Tips for Improved Performance 115 DPR2320 and EPR2320 Front Panel Status Indicator Functions 116 DPR2325 and EPR2325 Front Panel Status Indicato...

Страница 3: ...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...

Страница 4: ...enungsanleitung aufgef hrt sind au er Sie sind zur Durchf hrung solcher Arbeiten qualifiziert 20060810SICM GR Aviso a los instaladores de sistemas CATV Las instrucciones de reparaci n contenidas en el...

Страница 5: ...nada Only WARNING 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 groundin...

Страница 6: ...duct Preventing Power Cord Damage Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Arrange all powe...

Страница 7: ...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...

Страница 8: ...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...

Страница 9: ...enced 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 equipment The information shown...

Страница 10: ...lowing outstanding benefits and features Provides a high speed broadband Internet connection that energizes your online experience such as providing hassle free downloading and sharing files and photo...

Страница 11: ...grades by your service provider Assures a broad range of interoperability with most service providers by complying with Data Over Cable System Interface Specifications DOCSIS 1 0 1 1 and 2 0 standards...

Страница 12: ...or EPR2325 Cable Modem Gateway with detachable antenna One Ethernet cable CAT5 RJ 45 One USB cable One CD ROM containing the user s guide and the USB drivers One power adapter with power cord If any o...

Страница 13: ...ay is registered on the network and fully operational This indicator blinks to indicate one of the following conditions The cable modem gateway is booting up and not ready for data The cable modem gat...

Страница 14: ...2 POWER Connects the cable modem gateway to the DC output of the AC power adapter that is provided with your cable modem gateway CAUTION Avoid damage to your equipment Only use the AC power cord that...

Страница 15: ...one of the following conditions The cable modem gateway is booting up and not ready for data The cable modem gateway is scanning the network and attempting to register The cable modem gateway has los...

Страница 16: ...ate with the cable modem 2 POWER Connects the cable modem to the DC output of the AC power adapter that is provided with your cable modem CAUTION Avoid damage to your equipment Only use the AC power c...

Страница 17: ...e you decide where to place your cable modem gateway Consider these recommendations Position your PC and cable modem gateway so that they are located near an AC power outlet Position your PC and cable...

Страница 18: ...ystem 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 Re...

Страница 19: ...Wide Web and receive other Internet services You will need to give your service provider the following information The serial number of the modem The Media Access Control MAC address of the modem The...

Страница 20: ...ternet access account you must give your service provider the serial number and the MAC addresses of the cable modem gateway Refer to the serial number and MAC address information listed previously in...

Страница 21: ...Sharing one connection among many devices is called networking Connecting and Installing Internet Devices You must connect and install your cable modem gateway to access the Internet Professional inst...

Страница 22: ...nsert the AC power cord into the POWER connector on the back of the cable modem gateway and then plug the cord into an AC power source 5 Plug in and power on your networked devices including your PC T...

Страница 23: ...ins 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...

Страница 24: ...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...

Страница 25: ...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...

Страница 26: ...t in 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 H...

Страница 27: ...ng 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 panel o...

Страница 28: ...k performance WhatAre the Wiring Requirements for Ethernet Networking A number of factors can impact the practical limit of the network Although the cable modem gateway is designed to support several...

Страница 29: ...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...

Страница 30: ...Ethernet Devices You must connect your Ethernet devices for use with the cable modem gateway Professional installation may be available Contact your local service provider for further assistance The...

Страница 31: ...t on the cable modem gateway to your PC 3 Connect additional Ethernet network devices by connecting an Ethernet hub or router to the cable modem gateway 4 Connect the active RF coaxial cable to the CA...

Страница 32: ...m gateway to maintain optimal network performance WhatAre the Wiring Requirements Several factors can impact the practical limit of the network Contact your service provider or consult the documentati...

Страница 33: ...twork devices Where Is the Best Location for My USB Network Devices You should work with your service provider to choose the best location for your USB network devices Consider these recommendations L...

Страница 34: ...ng USB Devices You must connect your USB devices for use with your cable modem gateway Professional installation may be available Contact your local service provider for further assistance The followi...

Страница 35: ...B Network Devices on page 33 2 Connect the USB port on the cable modem gateway to your computer 3 Connect one or more USB network device to the cable modem gateway Note If you want to connect more tha...

Страница 36: ...wo 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 How Do I Install USB Driv...

Страница 37: ...ble your cable modem gateway 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...

Страница 38: ...figuration 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 y...

Страница 39: ...the maximum number of wireless network devices to connect to the DPR2325 in order to maintain optimal network performance WhatAre the Requirements for Wireless Networking It is important to view the...

Страница 40: ...for your wireless network devices Consider these recommendations Distance from the cable modem gateway to the wireless network devices Do not place the cable modem gateway near metallic surfaces that...

Страница 41: ...ess Network Devices You must install wireless network devices for use with your cable modem gateway Professional installation may be available Contact your local service provider for further assistanc...

Страница 42: ...locations for wireless network devices For more information see How Do I Select and Place Wireless Network Devices on page 40 2 Connect and install the wireless network device s 3 Connect the active...

Страница 43: ...es shown in this guide Note If you are not familiar with the network configuration procedures detailed in this section contact your service provider before you attempt to change any of the cable modem...

Страница 44: ...rs provided to every modem during manufacturing Cable Modem MAC Address A unique alphanumeric address for the cable modem coaxial interface which is used to connect to the cable modem termination syst...

Страница 45: ...Cable Modem Status Lists one of the following possible current states of the modem other notReady notSynchronized phySynchronized usParametersAcquired rangingComplete ipComplete todEstablished securi...

Страница 46: ...the upper portion of the About Your Modem screen to access the Setup page Use the Setup page to access the various configuration options for the cable modem gateway Detailed descriptions of each confi...

Страница 47: ...ription Password Settings Use this page to set or modify your password settings Set Time Use this page to enable or disable time synchronization by Network Time protocol Network Configuration Use this...

Страница 48: ...Port Filtering Use this page to configure transmission control protocol TCP and user datagram protocol UDP port filters These filters prevent a range of TCP UDP ports from accessing the Internet Port...

Страница 49: ...HTTP servers FTP servers SMTP e mail servers and domain name system DNS servers IP Address Pass through Allows the user with network administrator access to designated MAC addresses of CPE devices in...

Страница 50: ...tering and firewall protection Event Logging Use this page to access the firewall event log and to enter your e mail address in order to receive e mail alerts related to firewall attacks by hackers Pa...

Страница 51: ...ess section of the Setup page Field Name Description Basic Use this page to configure your wireless access point WAP parameters including service set identifier SSID and channel number Security Use th...

Страница 52: ...he Setup page to access the Password Settings page Notes Your cable modem gateway comes from the factory with no password enabled We highly recommend that you set up a user password to prevent unautho...

Страница 53: ...a secure location known only to you Configuring Network Time Synchronization Use the Basic Settings Enable Disable time synchronization by Network Time protocol page to enable or disable time synchro...

Страница 54: ...ble Modem Gateway Setup Basic Settings Enable Disable Time Synchronization by Network Time Protocol Page Example The following illustration is an example of the Basic Settings Enable Disable time sync...

Страница 55: ...and date of the last successful time update Time Zone Displays the current time zone The drop down list allows you to select your local time zone Daylight Saving Time Allows you to adjust the time du...

Страница 56: ...etwork settings using the Setup Basic Settings Network Configuration page Note If you are not familiar with the network configuration procedures detailed in this section contact your service provider...

Страница 57: ...3 Rev A 57 How Do I Configure the Cable Modem Gateway Setup Basic Settings Network Configuration Page Example The following illustration is an example of the Setup Basic Settings Network Configuration...

Страница 58: ...automatically assigned to your WAN port by your ISP except when a static IP address is set up as described later in this table Gateway IP Displays a Gateway IP address for your WAN port This address i...

Страница 59: ...The following function keys appear on the Setup Basic Settings Network Configuration page Key Description Renew WAN IP Address Lease Forces a release and renewal of your WAN IP address Apply Saves th...

Страница 60: ...60 4011533 Rev A How Do I Configure the Cable Modem Gateway Setup Basic Settings IPManagement Page Example The following illustration is an example of the Setup Basic Settings IP Management page...

Страница 61: ...of CPEs Enter the maximum number of devices allowed to connect to the Private LAN Note The Factory Default is 245 The maximum number of devices is 253 This is the combined total of addresses reserved...

Страница 62: ...e connected to your local network Reserving IP addresses is useful in making sure that there are no IP address conflicts on the network for example two devices using the same IP address Another exampl...

Страница 63: ...Settings Fixed CPE IP Assignment page Field Name Description MAC Address The MAC address of the PC or device for example a printer for which you want to reserve a specific IP address on the network As...

Страница 64: ...ateway Use the Setup Basic Settings Restart Cable Modem page to restart your cable modem gateway Click Restart Modem in the Basic Settings section of the Setup page to access the Basic Settings Restar...

Страница 65: ...ction of the Setup page to access the Setup Basic Settings Save RG Configuration to Local PC page Setup Basic Settings Save RG Configuration to Local PC Page Example The following illustration is an e...

Страница 66: ...hange any of the cable modem gateway default advanced options settings Click Options in the Advanced Settings section of the Setup page to access the Setup Advanced Settings Options page SetupAdvanced...

Страница 67: ...mote Config Management box on the Setup Advanced Settings Options page To access your gateway from a remote location you must also know the WAN IP address of the gateway To find the WAN IP address go...

Страница 68: ...familiar with the advanced settings detailed in this section contact your service provider before you attempt to change any of the cable modem gateway default advanced IP filtering settings Click IP...

Страница 69: ...ss filters These filters allow you to deny or block access to the Internet by the individual MAC addresses listed in the table You can also prevent individual PCs from sending outgoing TCP UDP traffic...

Страница 70: ...70 4011533 Rev A How Do I Configure the Cable Modem Gateway SetupAdvanced Settings MAC Filtering Page Example The following illustration is an example of the Setup Advanced Settings MAC Filtering page...

Страница 71: ...elect Pass to allow Internet access only to the MAC addresses of the devices you list in the table Any MAC addresses not listed in the table will be denied Internet access Configuring and Enabling TCP...

Страница 72: ...owing illustration is an example of the Setup Advanced Settings Port Filtering page SetupAdvanced Settings Port Filtering Page Description Use this page to enter and enable the desired port filtering...

Страница 73: ...cifying the mapping of TCP UDP ports to a local PC You must also set up a fixed private LAN IP address for the destination device Note If you are not familiar with the advanced settings detailed in th...

Страница 74: ...4011533 Rev A How Do I Configure the Cable Modem Gateway SetupAdvanced Settings Port Forwarding Page Example The following illustration is an example of the Setup Advanced Settings Port Forwarding pa...

Страница 75: ...gers 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...

Страница 76: ...76 4011533 Rev A How Do I Configure the Cable Modem Gateway SetupAdvanced Settings Port Triggers Page Example The following illustration is an example of the Setup Advanced Settings Port Triggers page...

Страница 77: ...the Enable field 3 In the second row enter 3074 in both Start Port and End Port fields 4 In the same row as the second entry select Both and then select the box in the Enable field 5 Click Apply to a...

Страница 78: ...the Internet You may configure only one PC to be the DMZ host DMZ is generally used for PCs running problem applications that use random port numbers and do not function correctly with the specific po...

Страница 79: ...4011533 Rev A 79 How Do I Configure the Cable Modem Gateway Setup Firewall Options Page Example The following illustration is an example of the Setup Firewall Options page...

Страница 80: ...at are sent unsolicited to devices in your private network from the Internet These applets run automatically when they are received by a PC Filter ActiveX Enables disables ActiveX controls This featur...

Страница 81: ...a without any special setup or manual port configuration Configuring Firewall Event Logging and E mailAlerts Use the Setup Firewall Event Logging page to access the firewall event log and allows you t...

Страница 82: ...l Event Logging page shows events captured by the firewall The log displays the following items Description of the event Number of events that have occurred Last occurrence of an event Target and sour...

Страница 83: ...all Count Displays the number of times the event has been detected Last Occurrence Displays the time the last occurrence of this event was detected Target Displays the IP address of the device in your...

Страница 84: ...tal controls Note If you are not familiar with the settings detailed in this section contact your service provider before you attempt to change any of the cable modem gateway default parental control...

Страница 85: ...the name of the user and click the Add User button to add the user to the list User Settings Allows you to edit a user profile by using the drop down menu to edit a user profile The drop down menu all...

Страница 86: ...zero to prevent session timeout Inactivity time 60 minutes factory default Enter the amount of time during a user session where there is no Internet access activity indicating that the user is no lon...

Страница 87: ...t block certain Internet content and certain Web sites Note If you are not familiar with the settings detailed in this section contact your service provider before you attempt to change any of the cab...

Страница 88: ...88 4011533 Rev A How Do I Configure the Cable Modem Gateway Setup Parental Control Basic Setup Page Example The following illustration is an example of the Setup Parental Control Basic Setup page...

Страница 89: ...tions Rule Settings Allows you to edit a content rule by using the drop down menu to recall the rule to be edited To remove a user profile use the drop down menu to select the rule to be removed and c...

Страница 90: ...ned in the URLs used to access those Internet sites Domain blocking allows you to restrict access to Web sites based on the site s Domain Name The Domain Name is the portion of the URL that precedes t...

Страница 91: ...liar with the settings detailed in this section contact your service provider before you attempt to change any of the cable modem gateway default parental control settings Click Advanced Rules in the...

Страница 92: ...ur gateway The process is extremely fast and does not affect the time it takes to bring up Internet sites on your browser If a category or categories is selected from the rating service category list...

Страница 93: ...and from specific network devices based on day of week and time of day settings that you select on this page Note If you are not familiar with the settings detailed in this section contact your servi...

Страница 94: ...e modem gateway uses the network time of day clock that is managed by your data service provider The time of day clock must be accurate and represent the time of day in your time zone for this feature...

Страница 95: ...ay and time Remove Removes the selected filter from the Time of Day filter list Apply Saves all additions edits and changes Configure Parental Control Event Reporting Use the Setup Parental Control Ev...

Страница 96: ...p Parental Control Event Log page This page allows you to track by user any attempts made by that user to access Internet sites that are restricted Field Name Description Last Occurrence Displays the...

Страница 97: ...iled in this section contact your service provider before you attempt to change any of the cable modem gateway default antivirus settings Click Antivirus Setup in the Virus Protection section of the S...

Страница 98: ...f you are not familiar with the advanced settings detailed in this section contact your service provider before you attempt to change any of the cable modem gateway default wireless basic settings Cli...

Страница 99: ...Allows you to select the country in which you are using your access point New Channel 1 11 Allows setting a communications channel for your access point Note Wireless networking channels overlap Chan...

Страница 100: ...Wireless section of the Setup page to access the Setup Wireless Security page Important Your cable modem gateway ships from the factory with 128 bit WEP encryption enabled to provide you with a basic...

Страница 101: ...ion is an example of the Setup Wireless Security page Setup Wireless Security Page Description This section describes the section headings and fields descriptions of the Setup Wireless Security page N...

Страница 102: ...d Key Allows you to set a WPA Pre Shared encryption key Enter a text string in this field The text string or phrase is used to generate a unique set of encryption keys for your network Use this string...

Страница 103: ...work Authentication Data Encryption Allows you to enable data encryption to help secure the data that is sent over your wireless network WEP 128 bit factory default 128 bit or 64 bit static key data e...

Страница 104: ...sociated with entering entry of large numbers 64 Bit Keys 1 through 4 Select these 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 f...

Страница 105: ...staken for the number 8 Using lowercase characters minimizes the risk of confusing characters when copying keys from one device to another Uppercase characters will automatically be converted to lower...

Страница 106: ...to all four key locations Apply Saves all additions edits and changes Configuring Wireless Data Rates and WiFi Thresholds Use the Setup Wireless Advanced page to configure your WAP data rates and wire...

Страница 107: ...change the default wireless settings that are shown in the preceding illustration unless you are instructed to do so by your service provider Setup Wireless Advanced Page Description This section desc...

Страница 108: ...b wireless networks 54g Protection Allows you to prioritize 802 11g communication when there is a mix of 802 11b and 802 11g devices in the wireless network using one of the following options Auto fac...

Страница 109: ...icast messages The DTIM Interval should be left at 3 ms for compliance with most client cards Fragmentation Threshold Allows you to set the fragmentation threshold This threshold should be set equival...

Страница 110: ...and field descriptions of the Setup Wireless Access Control page Field Name Description Access restriction When encryption is enabled this selection allows you to choose one of the following options f...

Страница 111: ...ccess List Displays the MAC address of the clients that are subject to wireless access control Connected Clients Displays the Host Name IP Address and Client ID of wireless clients that are connected...

Страница 112: ...orking here but 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...

Страница 113: ...m A Yes A single cable modem gateway 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 reta...

Страница 114: ...nnection Verify that you have followed the procedures in How Do I Troubleshoot My Internet Service Installation on page 112 Your NIC card or USB interface may be malfunctioning Refer to the troublesho...

Страница 115: ...and that you are using the correct cables Verify that your service is active and that it supports two way service Verify that your TCP IP is properly installed and configured if you are using the Ethe...

Страница 116: ...l Operations See Normal Operations on page 117 DPR2320 and EPR2320 Front Panel LED Status Indicators During Initial Power Up Calibration and Registration Step 1 2 3 4 5 6 7 Front Panel Indicator Self...

Страница 117: ...net or USB port and no data is being sent to or from the modem BLINKS When only one Ethernet or USB device is connected and data is being transferred between the consumer premise equipment CPE and the...

Страница 118: ...onditions to show that you have been denied network access DPR2320 and EPR2320 Front Panel LED Status Indicators During Special Conditions Front Panel Indicator Network Access Denied 1 Power SLOW BLIN...

Страница 119: ...25 and EPR2325 Front Panel LED Status Indicators During Initial Power Up Calibration and Registration Step 1 2 3 4 5 6 7 Front Panel Indicator Self Test Downstream Scan Downstream Signal Lock Ranging...

Страница 120: ...work 4 Cable ON 5 Ethernet 4 LEDs ON When a device is connected to an Ethernet port and no data is being sent to or from the modem BLINKS When data is being transferred between the consumer premise eq...

Страница 121: ...have been denied network access DPR2325 and EPR2325 Front Panel LED Status Indicators During Special Conditions Front Panel Indicator Network Access Denied 1 Power SLOW BLINKING 1 time per second 2 Re...

Страница 122: ...this guide Scientific 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 Unite...

Страница 123: ...quipment complies with FCC radiation exposure limits set forth for an uncontrolled environment To maintain compliance with the FCC RF exposure guidelines this equipment should be installed and operate...

Страница 124: ...Digital Broadband Delivery System products only call Toll free 1 800 283 2636 Local 770 236 2200 Fax 770 236 2488 For all products other than Digital Broadband Delivery System call Toll free 1 800 722...

Страница 125: ......

Страница 126: ...ox 465447 Lawrenceville GA 30042 770 236 5000 www scientificatlanta com Product and service availability subject to change without notice 2006 Scientific Atlanta Inc All rights reserved Printed in Uni...

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