ADSL2+ Ethernet Modem



Device Interfaces

  • RJ-11 ADSL port
  • RJ-45 10/100BASE-TX Ethernet port with auto MDI//MDIX

ADSL Standards 
  • 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

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 help 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
  • Diagnostics
  • 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

  • FCC Part 15 Class B
  • CE
  • ROHS

  • 1-Year Limited

The ADSL2+ Ethernet Modem (DSL-520B) supports high download speeds, Quality of Service (QoS), and all the essentials that a home or small office needs to establish a 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

Get the
 ADSL2+ Ethernet Modem