DSL-300G ADSL Modem User’s Guide
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Introduction
This section provides a brief description of the Modem, its associated technologies and a list of Modem features.
What is ADSL?
Asymmetric Digital Subscriber Line (ADSL) is broadband access technology that provides high-speed digital
data transmission and interactive multimedia applications for business and residential customers over ordinary
telephone line.
ADSL greatly increases the signal carrying capacity of copper telephone lines without interfering with regular
telephone services. For the ADSL user, this means faster downloads and more reliable connectivity. ADSL
devices enable high-speed Internet access without any loss of quality or disruption of telephone services.
ADSL provides a dedicated service over a single telephone line operating at speeds of up to 8 Mbps downstream
and up to 640 Kbps upstream. 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.
Modem Description and Operation
The DSL-300G ADSL Modem is designed to provide a simple, cost-effective and secure ADSL Internet
connection for your small to medium-sized private network. The ADSL connection technology enables many
interactive multi-media applications such as video conferencing and collaborative computing.
The Modem is easy to install and use. The DSL-300G connects to an Ethernet LAN or single computer via a
standard Ethernet interface. The ADSL connection is made using ordinary twisted-pair telephone line with
standard RJ-11 connectors.
Modem Features
The DSL-300G ADSL Ethernet Modem utilizes the latest ADSL enhancements to provide a reliable Internet
portal suitable for most small to medium sized offices. DSL-300G advantages include:
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Data rates up to 8 Mbps for downstream and 640 Kbps for upstream
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Friendly web-based graphical user interface for configuration and management
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Supports up to eight simultaneous virtual connections for a single ADSL account
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Supports T1.413 issue 2, G.dmt and G.lite standards
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Auto-handshake and rate adaptation for different ADSL flavors
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Widest range of DSLAM interoperability
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Supports bridged Ethernet over ATM (RFC 2684)
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Built-in MIBs for SNMP management
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Upgradeable firmware through TFTP
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