This DSL modem provides a 10/100BaseT interface for Ethernet connection and an USB interface for USB connection at the user end.Computers can simultaneously connect to the route either via its USB, Switch, or both ports to share its high-speed Internet access. You can connect to its Switch port regardless of the operating system you are using, or connect to its USB port to allow easy installation to a USB equipped computer. It receives adaptive rates up to 24Mbps and transmits 1Mbps upstream.SpecificationADSL Compliance n  ANSI T1.413 issue 2n  ITU-T G.992.1 (G.dmt), G.992.2 (G.lite),n  ITU-T G.992.3 (ADSL2 DMT), G.992.4 (ADSL2 G.lite), G.992.5 (ADSL2+)n  Data Transmission RateUpstream: Up to 1 Mbps.Downstream: Up to 24 Mbps.n  Rate Adaptive at 32 Kbps stepsn  Interoperable with all major DSLAM equipmentATM Protocolsn  RFC2684 Bridge and Routed LLC& VCn  RFC2364 PPP over ATM ALL5n  RFC2516 PPP over Ethernetn  RFC2225/RFC1577 Classical IP over ATMn  Transparent Bridgen  ATM Forum UNI 3.1/4.0 PVCn  VPI Range (0-255) and VCI range (32-65535)n  F4/F5 OAM Loopbackn  ATM Layer with Traffic shaping (UBR/CBR)Network Supportn  Static IP, Dynamic RIP supportn  Network Address Translation (NAT)n  Port Mapping/Forwardingn  NAT Application Level Gateway for popular applicationsn  DHCP Server/Relay/clientn  DNS Relay Agentn  VPN Pass Through for IPSEC, L2TP, PPTPn  DMZ supportn  SNMPn  PPP Auto Reconnect and configurable timeoutsn  PPP Auto Reconnect on WAN Access/PPP on Demandn  IGMP Multicast SupportManagement Support n  Web Based GUIn  Upgrade or update via FTP/HTTPn  Command Line Interface via serial interface or Telnetn  Diagnostic Testn  Firmware upgrade-able for future feature enhancementn  TR-069(Optional)n  Auto-configurationOptionaln  Quick Install SoftwareOptionalSecurity Support n  PAP/CHAP Authentication for PPP moden  NAT for basic Firewall supportn  Packet Filtering Firewall Supportn  2 Level (User/Admin) Password Authentication to RouterOperation System Supportn  Windows 98 / 98 SE, 2000, ME, XP, VISTAn  Macintoshn  LinuxAccessoriesn  RJ11 cable............. x 2n  RJ45 cable............. x 1n  USB Cable............. x 1n  External splitter    x 1n  Power Adapter     x 1n  User Manual.......... x 1n  Driver CD............... x 1