D-Link DSL-2740B manual In-Line Filter, In-line low pass filter

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Low Pass Filters for DSL

Most ADSL clients will be required to install a simple device that prevents the ADSL line from interfering with regular telephone services. These devices are commonly referred to as microfilters or low pass filters. The two basic styles of low pass filters commonly used are described below.

In-Line Filter

In line low pass filters are used for each telephone or telephone device (answering machines, Faxes etc.) that shares the line with the ADSL service. These devices are attached to the telephone cable between the telephone and wall jack. Filters that install behind the wall plate hidden from view are also available. A typical in-line filter installation is shown in the diagram below.

In-line low pass filter

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Contents DSL-2740B WirelessADSL2+ Router User Guide CE Mark Warning FCC WarningTable Of Contents Save / REBOOTt 104 Installation Overview Setup WizardAbout This User Guide Installation Notes Packing ListAdditional Software Radius server Port Security ProtocolIP Address KeyLAN Subnet Mask for LAN IP addresses forDSL-2740B Ethernet NIC802.11n-draft Wireless Router Description and OperationRouter Features Standards Compatibility and Compliance Power Front Panel DisplayInternet Rear Panel Connections Connect network cablesRadio Setting Up a Wireless NetworkWireless Security RangeLocation and Wireless Operation Power on Router Factory Reset ButtonHub or Switch to Router Connection Connect Adsl LineConnect Router to Ethernet Computer to Router Connection DSL-2740B Wireless Adsl Router User Guide Configuring IP Settings on Your Computer Configuration SummaryAccess the Configuration Manager Login to HomeEnter Password Configure the Router Web Manager First Time Log OnUsing the Setup Wizard WAN Settings PVC Settings WizardUsing the Setup Wizard WAN Settings Choose Connection Type DSL-2740B Wireless Adsl Router User Guide Using the Setup Wizard For PPPoE/PPPoA connection PPP IP extension Enable PPP Debug ModeDial on demand Use Static IP AddressUsing the Setup Wizard For Dynamic IP 1483 Bridge connection Select the specific Connection Type and Encapsulation Mode Using the Setup Wizard For Static IP Address IPoA connection Using the Setup Wizard For Bridge Mode connections Using the Setup Wizard For LAN Settings Using the Setup Wizard For Wireless LAN Settings Using the Setup Wizard Finish and Restart Adsl ATM Settings Adsl Settings WindowVirtual Circuit Service Category Firewall Router SettingsDefault Route Primary DNS AddressWlan Settings Window WlanLAN LAN Settings Window UPnP Igmp SnoopingDNS Configuration window DNSPage Setup AdvancedTools Status Advanced Adsl Advanced Adsl WindowAdvanced Wlan Advanced Wlan WindowWlan Security WEP802.1x Wlan Security Window WEPWPA-PSK Wlan Security WindowWPA Wi-Fi Protected Access Wlan Security Window WPA-PSKWlan Filter Wlan Security Window WPAWlan Bridge Wlan Filter WindowWlan Bridge Window Wlan QOS Wlan QoS Window Firewall Firewall Window Virtual Server External Port Start/End Port TriggeringServer IP Address ProtocolPort Triggering Window DMZ Open Protocol Opened protocol for remote usersDMZ Window Outgoing IP Filter Outgoing IP Filter Window Incoming IP Filter Bridge Filter Incoming IP Filter WindowBridge Filter Window Parent Control URL Filter Parent Control WindowQuality of Service URL Filter WindowQuality of Service Window Routing RIP Routing WindowRIP Parameters Description RIP WindowVersion Port MappingInterface OperationPort Mapping Window Port Mapping Window Diagnostics Window ToolsBackup Settings Backup Settings windowUpdate Settings Restore DefaultUpdate Settings Window Restore Default Window TR069 ClientSnmp Configuration TR-069 Client WindowSnmp Configuration Window DdnsDdns Window Time Access Service Time WindowAccess Service Window Access IP Password Access IP WindowPassword Window Update Firmware Save / REBOOTtSave / Reboot Window Device Info Device Info windowAdsl Window WAN LAN WindowATM WAN WindowRoute ATM WindowARP Route WindowDhcp Clients ARP WindowWlan Station Dhcp Clients windowSystem LOG Wlan Station WindowSystem Log Category Parameters System LOG windowPage System LOG window Technical Specifications Adsl Standards ADSL2 StandardsWatts max Input 120V AC 60HzOutput 12V AC, 1200mA To 40CWireless Configure Windows XP for Dhcp Control PanelClick Network and Internet Connections Click Network ConnectionsClick Properties Select Obtain an IP addressConfigure Windows 2000 for Dhcp WindowsWindows 95 and Windows Configure Windows 95 and Windows 98 for DhcpConfigure Windows ME for Dhcp Windows MEConfigure Windows NT 4.0 for Dhcp Windows NT 4.0 WorkstationsIn-Line Filter In-line low pass filterThree Port Filter Port Filter