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Introduction
This section provides a brief description of the Router, its associated technologies, and a list of Router features.
Router Description and Operation
The DSL-584T Router is designed to provide a simple and cost-effective ADSL Internet connection for a private
Ethernet network. The Router combines high-speed ADSL Internet connection, IP routing for the Local Area Network
(LAN) connectivity in one package.
The Router is easy to install and use. The DSL-584T connects to an Ethernet LAN or computers via standard Ethernet
ports. The ADSL connection is made using ordinary telephone line with standard connectors. Multiple workstations can
be networked and connected to the Internet using a single Wide Area Network (WAN) interface and single global IP
address. The advanced security enhancements, packet filtering and port redirection, can help protect your network from
potentially devastating intrusions by malicious agents from outside your network.
ADSL
Asymmetric Digital Subscriber Line (ADSL) is a broadband network technology that utilizes standard twisted-pair
copper wire telephone lines to enable broadband high-speed digital data transmission and bandwidth hungry
applications for business and residential customers.
ADSL routers and modems provide faster downloads and more reliable connectivity to the user without loss of quality
or disruption of voice/fax telephone capabilities.
ADSL2+ provides a dedicated service over a single telephone line operating at speeds of up to 24Mbps downstream and
up to 1Mbps upstream, depending on local telephone line conditions. A secure point-to-point connection is established
between the user and the central office of the service provider.
D-Link ADSL devices incorporate the recommendations of the ADSL Forum regarding framing, data format, and upper
layer protocols.
Router Features
The DSL-584T ADSL Router utilizes the latest ADSL enhancements to provide a reliable Internet portal suitable for
most small to medium sized offices. DSL-584T advantages include:
•
PPP (Point-to-Point Protocol) Security – The DSL-584T ADSL Router supports PAP (Password Authentication
Protocol) and CHAP (Challenge Handshake Authentication Protocol) for PPP connections.
•
DHCP Support – Dynamic Host Configuration Protocol automatically and dynamically assigns all LAN IP
settings to each host on your network. This eliminates the need to reconfigure every host whenever changes in
network topology occur.
•
Network Address Translation (NAT) – For small office environments, the DSL-584T allows multiple users on
the LAN to access the Internet concurrently through a single Internet account. This provides Internet access to
everyone in the office for the price of a single user.
NAT improves network security in effect by hiding the private network behind one global and visible IP address.
NAT address mapping can also be used to link two IP domains via a LAN-to-LAN connection.
•
TCP/IP (Transfer Control Protocol/Internet Protocol) – The DSL-584T supports TCP/IP protocol, the language
used for the Internet. It is compatible with access servers manufactured by major vendors.
DSL-584T ADSL Router User Guide
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