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D-Link DSL-520B ADSL2+ Ethernet Modem

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Mfr Part #:

This modem supports high download speeds, Quality of Service (QoS), and extensive firewall protection, providing all the essentials that a home or small office would need to establish a secure and high speed remote link to the internet. The ADSL2+ Modem (DSL-520B) is an affordable high-performance modem ideal for your home or small office. This modem supports high download speeds, Quality of Service (QoS), and extensive firewall protection, providing all the essentials that a home or small office would need to establish a secure and high speed remote link to the outside world. Security features prevent unauthorized access of Internet intruders from entering your home network. This modem provides firewall security using Stateful Packet Inspection (SPI) and Denial of Service (DoS) attack protection. SPI inspects the contents of all incoming packet headers before deciding what packets are allowed to pass through. Quality of Service (QoS) supports multiple priority queues to enable a group of home users to experience the benefits of smooth network connection of inbound and outbound data without concern for traffic congestion. This modems QoS support allows users to enjoy high ADSL transmission for applications such as VoIP, streaming multimedia and online games.Always on high-speed internet connection, this modem allows you to do all of your favorite things on the Internet. Watch TV, listen to live music, play games, and experience clear Internet phone calls. Now, smooth streaming multimedia and VoIP voice are possible at home and in the office through a simple connection with this modem.


Product Information
Mfr Part#
Modem Specifications
LED Indicators
Power, LAN, DSL, Internet
ATM Forum
UNI 3.1/4.0 PVC
Device Management
Web-based GUI Configuration
Internet Sharing Methods
Static IP, Dynamic IP, PPP over Ethernet, PPP over ATM
MAC Filtering (optional); Packet Filtering; Stateful Packet Inspection (SPI); Denial of Service prevention (DoS); Intrusion Detection System/Log; User Authentication PAP; User Authentication CHAP;
Network Compliant Standards (Wired)
IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX
ADSL/DSL Modem Compliant Standards
ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A, ITU-T G.992.2 (G.lite) Annex A, ITU-T G.992.3 (G.dmt.bis) Annex A/L/M ITU-T G.992.4 (G.lite.bis) Annex A, ITU-T G.992.5 Annex A/M
ATM Protocol
ATM Adaption Layer type 5 (AAL5); ATM Forum UNI3.1/4.0 PVC; ATM Cell Format ITU-T Rec. I.361;
ATM Protocol: WAN Mode Support
PPP over ATM (RFC 2364), PPP over Ethernet (RFC 2516), PPP Link Control Protocol (LCP), PPP Authentication Protocol (PAP), PPP Challenge Handshake
ATM Protocol: LAN Mode Support
Bridged IP over ATM, Routed IP over ATM
Routing Protocol
Data Transfer Specifications
Downstream Maximum Transfer Rate
Up to 24Mbps
Upstream Maximum Transfer Rate
Up to 3.5 Mbps
Half-Duplex Network Data Transfer Rate
10Mbps, 100Mbps
Modem Interface
RJ-45 Ethernet Port
Ports and Connectors
Modem Ports and Connectors
(1) RJ-11 Phone Jack
Network Ports and Connectors
(1) RJ-45 10/100 Auto-Sensing Port
Ports and Connectors
(1) RJ-45 10/100 Port; (1) RJ-11 Port
Power Supply
Power Supply
AC Adapter
What's in the Box
What's in the Box
ADSL2+ Modem, Telephone Cable (RJ-11), Ethernet Cable (RJ-45), Power Adapter, Quick Installation Guide, CD-ROM
Manufacturer Warranty
1 Years
1 Years

Important Add-Ons


Questions and Answers

More Info

Warranty & Support

Vendor Warranty:

  • Parts: 1 Years
  • Labor: 1 Years

Vendor Support:

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