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  • #6418732
  • Manufacturer: D-Link
  • UPC #790069340185
  • Model #DSL-520B

  • The ADSL2+ Ethernet Modem (DSL-520B) supports high download speeds, Quality of Service (QoS), and extensive firewall protection, providing all the essentials that a home or small office needs to establish a secure and high speed remote link to the Internet.

  • Affordable high-performance modem.
  • Extensive Firewall features for added Internet defense.
  • Quality of Service for smooth traffic.
  • High-speed internet access.
  • Provides high-speed Internet.



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    Detail Description
    Detailed Description
    (Manufacturer # DSL-520B )

    Ultimate Internet Connection
    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.
    Safe and Secure
    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.
    Intelligent Traffic Control
    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 modem's QoS support allows users to enjoy high ADSL transmission for applications such as VoIP, streaming multimedia and online games.
    High-Speed Internet Access
    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.
    Device Interfaces
    RJ-11 ADSL port
    RJ-45 10/100BASE-TX Ethernet port with auto MDI//MDIX
    ADSL Standards
    ADSL: ADSL : Multi-mode, 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.994.1 (G.hs)
    ADSL2: ITU-T G.992.3 (G.dmt.bis) Annex A/L/M ITU-T G.992.4 (G.lite.bis) Annex A
    ADSL2+: ITU-T G.992.5 Annex A/M
    ADSL Data Rates
    G.dmt: 8Mbps downstream, 832Kbps upstream
    G.lite: 1.5Mbps downstream, 512Kbps upstream
    ADSL2: 12Mbps downstream, 1Mbps upstream
    ADSL2+: 24Mbps downstream, 3.5Mbps upstream
    ATM & PPP Protocols
    ATM Adaption Layer type 5 (AAL5)
    ridged or routed Ethernet encapsulation
    VC and LLC based multiplexing
    MAC Encapsulated Routing
    ATM Forum UNI3.1/4.0 PVC
    ATM Cell Format ITU-T Rec. I.361
    PPP over ATM (RFC 2364)
    PPP over Ethernet (PPPoE)
    PPP Link Control Protocol (LCP)
    Internet Protocol Control Protocol (IPCP)
    PPP Authentication Protocol (PAP)
    PPP Challenge Handshake
    Authentication Protocol (CHAP)
    Microsoft PPP CHAP extensions
    Virtual Private Network
    Multiple IPSec/PPTP/L2TP pass-through
    Router Features & Netework Protocols
    Internet Control Message Protocol (ICMP)
    Network Address Translation (NAT), IP Static Routing, Routing Information
    Protocol (RIPv1, RIPv2)
    NAT ALG (optional):
    MSN/AOL/Yahoo Messenger, FTP, CUSEEME, Real Audio, MIRC, SIP, ICQ, games, SNMP
    Dynamic Host Configuration Protocol (DHCP); DHCP server, client, and relay
    SNTP, DNS Relay, DDNS proxy and IGMP proxy
    Firewall / Access Security
    MAC Filtering (optional)
    Packet Filtering
    Stateful Packet Inspection (SPI)
    Denial of Service prevention (DoS)
    Intrusion Detection System/Log
    User Authentication PAP
    User Authentication CHAP
    Web-based GUI configuration
    3-level login control for local/remote management
    Firmware upgraded, configuration data uploaded and downloaded via Webbased GUI
    TFTP for firmware, configuration files and image files upgrade and download
    TFTP server and client
    Code Lock to prevent from improper firmware upgrade through UI, TFTP, and TR-069
    Telnet/SSH access for configuration (optional)
    Local access via console (optional)
    ADSL/ADSL2/ADSL2+ manual selection and auto fallback
    Auto VPI/VCI detection
    Configuration backup and restore
    Log & Trace function
    SNMP v.1 and v.2c with MIB-I and MIBII (optional)
    TR-069 compliant with ACS (optional)
    Quality of Service
    Traffic Prioritization/Classification
    Port-based priority
    802.1p/q (0-7) priority
    DiffServ-Codepoint IPQos (TOS)
    Application port-based priority
    4 priority queues per PVC
    Traffic Shaping
    Input: 100-240 AC, 50/60 Hzs
    Output: 12v DC, 0.5A
    Power switch (optional)
    Factory reset button
    Operating Temperature 32°F to 104°F (0° C to 40° C)
    Storage Temperature -4°F to 158°F (-20° C to 70° C)
    Operating Humidity -5% to 95% non-condensing

    Technical Specifications   [return to top]
     Specification Value
    Connectivity: Wired
    Type: DSL Modem
    Wireless Standard: None
    Wired Connectivity: 10/100
    3G/4G Compatible: No


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