Cisco Systems 4039760, EPC3827, DPC3827 Residential gateway does not register a cable connection

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Having Difficulty?

The residential gateway does not register a cable connection

The modem works with a standard 75-ohm RF coaxial cable. If you are using a different cable, your residential gateway will not function properly. Contact your cable service provider to determine whether you are using the correct cable.

Your NIC card may be malfunctioning. Refer to the troubleshooting information in the NIC documentation.

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Contents Important Safety Instructions This DocumentImportant Safety Instructions Mitteilung für CATV-Techniker Aviso a los instaladores de sistemas CatvGround the Product Protect the Product from Lightning Power Source WarningVerify the Power Source from the On/Off Power Light Operating Environment Protect the Product When Moving It RF Exposure Statements Declaration of ConformityCanada EMI Regulation Canada CE Compliance Latvia National RestrictionsFrance Italy Antennas Benefits and Features IntroductionSoftware and Documentation Whats In the Carton? Front Panel Description Model DPC3827 shown hereBack Panel Description Back Panel Description What Are the System Requirements for Internet Service? Minimum System Requirements for a PCMinimum System Requirements for Macintosh System Requirements for an Ethernet ConnectionAlready Have an Existing High-Speed Internet Access Account How Do I Subscribe to High-Speed Internet Service?Do Not Have a High-Speed Internet Access Account Rev a How Do I Mount the Modem on a Wall? Optional Before You BeginLocation and Dimensions of the Wall-Mounting Slots Mounting the Residential Gateway on a Wall How Do I Connect My Gateway for Internet Service? Connecting and Installing Internet DevicesConnecting the Media Gateway for High-Speed Data Service To connect devicesHow Do I Connect My Gateway for Internet Service? How Do I Configure My Docsis Residential Gateway? Logging in to the Gateway for the First TimeHow Do I Configure My Docsis Residential Gateway? Setup Lan Setup Configuring Your Network Settings LANPre-assigned Dhcp IP Address DhcpConnected Devices Summary Setup Ddns Disabling Ddns Factory Default Settings Enabling DdnsSetup Wireless QoS Setup Advanced RoutingConfigure the Routing Table MTUSecurity Firewall Display Routing TableDisable Filters Filter Proxy Section Field Description Firewall SPI Firewall ProtectionBlock Pop-Up Windows Block Web Page CookiesSection Field Description Block Java and ActiveX Scripts Block fragmented IP packetsBlock Port Scan Detection Block IP Flood DetectionDisable Pptp Passthrough DisableSecurity VPN Passthrough Section Field Description VPN Passthrough IPSec PassthroughSecurity VPN Security VPN Tunnel Page DescriptionSection Field Description VPN Tunnel Select Tunnel Entry Create ButtonDelete Button Summary ButtonSection Field Description Remote Secure GatewayFqdn Key Management Key Exchange MethodSection Field Description  Auto IKEState is either Connected or Disconnected Section Field Description  ManualStatus View Log How Do I Configure My Docsis Residential Gateway? Control Access to the Gateway Access Restrictions Basic RulesParental Control check box and click Apply Add RuleRemove Rule Keyword ListBlock Services To use keyword and domain blockingAccess Restrictions Time of Day Rules Block Access to WebsitesAccess Restrictions User Setup Access Restrictions Time of Day Rules Page DescriptionAccess Restrictions User Setup Page Description Section Field Description User Add User ConfigureUser Settings PasswordAccess Restrictions IP Address Filtering Access Restrictions MAC Address Filtering Access Restrictions Local Log Field Name Description MAC Filtering Block Listed DefaultFunction Keys Pass ListedControl Access to the Gateway Administration Management Administration Management Page DescriptionManage the Gateway WANInternet IP Address Default Gateway Gateway Access Current User Name Local AccessChange Password to Re-Enter New PasswordAdministration Reporting IgmpView Log Section Field Description Reporting Mail AlertsSmtp Mail Server Mail Address for Alert LogsAdministration Diagnostics Administration Backup & Restore Administration Factory Defaults Restore Factory Defaults Monitor Gateway Status Status GatewayMAC Address CM MAC Address Current TimeStatus Local Network Section Field Description Internet Connection IP AddressDNS1-3 WinsDhcp Client Table Section Field Description Local Network MAC AddressEnd IP Address Section Field Description ARP/RARP Table Status WirelessStatus Wireless Page Description Status Docsis WAN Docsis WAN Page Description Status Docsis Signal Downstream Channels Section Example Rev a Status Docsis Status Docsis Status Page Description Time Since Last Reset Section Field Description Docsis Status Cable Modem StatusCable Modem IP Address Cable Modem MaskPHS SfidStatus Channels Selection Upstream Channel Setting Status Docsis LogDocsis Log Page Description Section Field Description Upstream channel IDMonitor Gateway Status Wireless Configuration Manual Page Example Configure Wireless SettingsWireless Basic Settings Wireless Basic Settings Page Description Section Field Description Basic Settings Wireless NetworkWireless Configuration Network ModeWireless Wireless Security Wireless Security Page DescriptionWireless Network Name Ssid BssidWEP Field DescriptionsWPA Security for Personal Networks WPA or WPA2 Personal ModesWireless MAC Filter Wireless MAC Filter Page Description MAC Address FilterList MAC Address Filter List Wireless Advanced SettingsSection Field Description Access Restriction Wireless Advanced Settings Page Description CTS Protection Mode Wireless WDS Settings Beacon IntervalDtim Interval Fragmentation ThresholdWireless WDS Settings Page Description Allow Wireless Signal To Be Repeated by a RepeaterRemote Access Points MAC Address MAC 1 through WDSConfigure Applications and Gaming OverviewApplications & Gaming Port Filtering Applications and Gaming Port Filtering Page Description UDP  Both Enable Applications & Gaming Port Range ForwardingSection Field Description Port Filtering Start Port End PortEnd Applications and Gaming Port Range Forward Page DescriptionSection Field Description Port Range Forwarding Start Applications & Gaming Port Range Triggering Applications & Gaming DMZ Section Field Description Forwarded Range Start PortApplications and Gaming DMZ Page Description DMZDMZ Hosting Select the desired optionNo ACK WirelessApplications & Gaming QoS How Do I Configure TCP/IP Protocol? Having Difficulty?How Do I Renew the IP Address on My PC? How do I arrange for installation? Renewing the IP Address on Windows NT, 2000, or XP SystemsWhat if I dont subscribe to cable TV? How does the residential gateway connect to my computer?Troubleshooting MoCA Issues Common Troubleshooting IssuesDont understand the front panel status indicators Can I watch TV and surf the Internet at the same time?Residential gateway does not register a cable connection Tips for Improved Performance Check and CorrectFront Panel LED Status Indicator Functions StepNormal Operations AC Power applied Front Panel LED Status Indicators During Normal ConditionsFront Panel LED Status Indicators During Special Conditions Special ConditionsTrademarks DisclaimerDocumentation Copyright Notice Software and Firmware UseFor Information If You Have Questions