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D-Link DSL-2520U

D-Link DSL-2520U
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User Manual
DSL-2520U
ADSL2/2+ Router with USB and Ethernet Ports
July 2012

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D-Link DSL-2520U Specifications

Data Transfer Rates IconData Transfer Rates
ADSL full rate downstreamup to 8 Mbps
ADSL full rate upstreamup to 1 Mbps
G.lite downstreamup to 1.5 Mbps
G.lite upstreamup to 512 Kbps
G.dmt.bis full rate downstreamup to 12 Mbps
G.dmt.bis full rate upstreamup to 12 Mbps
ADSL2 full rate downstreamup to 24 Mbps
Interfaces IconInterfaces
ADSL interface connectorRJ-11
LAN interfaceRJ-45 port for 10/100BASE-T Ethernet
USB interfaceUSB port Type B connector, USB 1.1 Specification

Summary

Introduction

Contents and Audience

Describes the manual's target audience and scope.

Conventions Used

Explains formatting conventions used in the manual.

Document Structure Overview

Outlines the organization and content of each chapter.

Overview

General Information

Provides a general overview of the DSL-2520U router's purpose and features.

Router Specifications

Details the technical specifications of the router, including interfaces and standards.

Product Appearance

Describes the physical appearance of the router, including front and back panels.

Package Contents and Safety

Lists package contents and provides essential safety precautions.

Installation and Connection

Before You Begin

Important prerequisites and information before starting installation.

Connecting to PC

Guides on connecting the router to a computer via Ethernet or USB.

Automatic IP Address Configuration

Steps to configure IP settings automatically in Windows XP and 7.

Web-based Interface Access

Saving and Restoring Settings

Configuring via Web-based Interface

Internet Setup Wizards

Guides for initial internet connection setup and configuration.

WAN Connection Configuration

Detailed steps for configuring various WAN connection types.

Site Setup Wizard

Guides on creating virtual servers for port forwarding.

Status Monitoring

Network Statistics

Displays detailed statistics for router interfaces and connections.

DSL Connection Status

Shows the current status and details of the DSL connection.

WAN Status Overview

Displays information about active WAN connections.

DHCP Information

Lists devices that received IP addresses from the DHCP server.

Routing Table Details

Shows the router's routing table entries.

LAN Clients List

Displays devices connected to the router's LAN.

Net Configuration

WAN Configuration Page

Page for creating and managing WAN connections.

Creating WAN Connection

Step-by-step guide for setting up a new WAN connection.

Advanced Settings

UPnP Configuration

Configuration for Universal Plug and Play functionality.

Interface Grouping

Allows assigning virtual PVCs to ports for traffic differentiation.

DDNS Setup

Configuration for Dynamic Domain Name System service.

DNS Settings

Settings for DNS servers and DNS relay function.

Static Route Configuration

Adding and managing static routes in the system.

ADSL Standards Configuration

Configuration of ADSL standards and modulation.

Remote Access Rules

Setting up rules for remote access to the web interface.

Firewall Settings

IP Filters Configuration

Creating rules for filtering IP packets.

Virtual Servers Setup

Setting up virtual servers for port forwarding.

DMZ Configuration

Configuring the Demilitarized Zone for specific hosts.

Application Rules (Port Triggering)

Defining rules for port triggering functionality.

MAC Filter Configuration

Configuring MAC-address-based filtering.

Control Settings

URL Filter Setup

Specifies restrictions on access to certain websites.

System Management

Administrator Password

Changing the administrator password for security.

Configuration Backup and Restore

Managing settings, backups, and factory defaults.

System Log Configuration

Configuring and sending system logs to a remote host.

Firmware Upgrade Process

Step-by-step guide for updating the router's firmware.

NTP Client Setup

Setting up automatic time synchronization with NTP servers.

Abbreviations and Acronyms

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