Cisco Systems 4027669 Tips for Improved Performance, Check and Correct

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Tips for Improved Performance

Tips for Improved Performance

Check and Correct

If your cable modem does not perform as expected, the following tips may help. If you need further assistance, contact your service provider.

Verify that the plug to your cable modem AC power is properly inserted into an electrical outlet.

Verify that your cable modem AC power cord is not plugged into an electrical outlet that is controlled by a wall switch. If a wall switch controls the electrical outlet, make sure the switch is in the ON position.

Verify that the POWER and ONLINE LED status indicators on the front panel of your cable modem are illuminated.

Verify that your cable service is active and that it supports two-way service.

Verify that all cables are properly connected, and that you are using the correct cables.

Verify that your TCP/IP is properly installed and configured if you are using the Ethernet connection.

Verify that you have followed the procedures in How Do I Install USB Drivers? (on page 20), if you are using the USB connection.

Verify that you have called your service provider and given them the serial number and MAC address of your cable modem.

If you are using a cable signal splitter so that you can connect the cable modem to other devices, remove the splitter and reconnect the cables so that the cable modem is connected directly to the cable input. If the cable modem now functions properly, the cable signal splitter may be defective and may need to be replaced.

For best performance over an Ethernet connection, your PC should be equipped with a 10/100BASE-T network interface card.

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4028103 Rev A

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Contents Important Safety Instructions This DocumentImportant Safety Instructions Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas CatvPower Source Warning Ground the ProductProtect from Exposure to Moisture and Foreign Objects Verify the Power Source from the On/Off Power LightProtect the Product from Lightning Service Warnings Check Product Safety Protect the Product When Moving ItDeclaration of Conformity FCC ComplianceUnited States FCC Compliance Canada EMI RegulationBenefits and Features IntroductionWhats In the Carton? Front Panel Description Back Panel Description Where Is the Best Location for My Cable Modem? Minimum System Requirements for Macintosh What Are the System Requirements for Internet Service?Minimum System Requirements for a PC System Requirements for an Ethernet ConnectionAlready Have an Existing High-Speed Internet Access Account How Do I Set Up My High-Speed Internet Access Account?Do Not Have a High-Speed Internet Access Account To connect devices Connecting and Installing Internet DevicesHow Do I Connect My Devices to Use the Internet? Connecting the Modem for High-Speed Data Service Configuring TCP/IP on Windows 95, 98, 98SE, or ME Systems How Do I Configure TCP/IP Protocol?Configuring TCP/IP on Your Internet Devices Configuring TCP/IP on Windows 2000 Systems Configuring TCP/IP on Windows XP SystemsConfiguring TCP/IP on Macintosh Systems Installing USB Drivers How Do I Install USB Drivers?Installing USB Drivers Installing USB Drivers on Windows XP Systems How Do I Mount the Modem on a Wall? Optional Before You BeginLocation and Dimensions of the Wall-Mounting Slots Frequently Asked Questions Having Difficulty?Cable modem does not register an Ethernet connection Common Troubleshooting IssuesDont understand the front panel status indicators Cable modem does not register a cable connectionTips for Improved Performance Check and CorrectHow Do I Renew the IP Address on My PC? Renewing the IP Address on Windows NT, 2000, or XP SystemsFront Panel LED Status Indicator Functions LINK1Normal Operations AC Power applied Special ConditionsDocumentation Copyright Notice TrademarksDisclaimer Software and Firmware Use
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4027669 specifications

Cisco Systems is a leading global technology company known for its networking hardware, software, and telecommunication equipment. Among its expansive product line, the DPQ2160 DOCSIS 2.0 modem series and the EPC3925 are significant models utilized in various internet service delivery scenarios.

The DPQ2160 is a DOCSIS 2.0 compliant modem that offers an efficient solution for cable internet services. It features an advanced design to enhance data transfer rates and is compatible with both downstream and upstream channels. With a maximum downstream data rate of 38 Mbps, this modem supports high-speed internet access ideal for home and small business environments. It also ensures reliable connectivity through its robust channel bonding capabilities, which allow multiple data streams. Additionally, the DPQ2160 integrates a user-friendly web interface for easy management and configuration, making it simple for users to troubleshoot and monitor their connection.

Cisco’s EPC3925 is a versatile gateway that satisfies both broadband connectivity and Wi-Fi needs. It combines DOCSIS 3.0 capabilities, enabling high-definition video streaming, online gaming, and other bandwidth-intensive applications. The EPC3925 supports various wireless standards, including 802.11n, providing a strong and reliable Wi-Fi connection throughout homes or offices. Its dual-band feature ensures users can connect multiple devices while minimizing interference. Furthermore, the EPC3925 offers advanced security features, including built-in firewall capabilities and support for Wi-Fi Protected Access (WPA) encryption, which safeguards users' networks.

Both the DPQ2160 and EPC3925 incorporate technologies aimed at improving user experience. They are designed for easy setup, often featuring plug-and-play capabilities that allow for rapid installation without the need for extensive configuration knowledge. Cisco’s emphasis on quality and reliability ensures that these devices consistently provide the performance required in today’s data-driven world.

The models also demonstrate strong backward compatibility with earlier DOCSIS versions, ensuring that users can maintain their internet service even if they have older infrastructure. This versatility is vital for service providers, allowing them to deploy these devices in various scenarios with minimum disruption.

Overall, Cisco's DPQ2160 and EPC3925 modems reflect the company’s commitment to driving connectivity and communication innovations, providing users with essential tools for navigating an increasingly online world. With advanced features and robust performance, these devices exemplify Cisco's dedication to ensuring seamless and secure internet access.
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