2 and 4 Modem Port IP Routers
2 or 4 RS-232 460Kbps baud COM ports, 56kbps modems/128 kbps BRI ISDN TA support, bandwidth doubling through simultaneous use of 2 COM ports, 1 auto sensing 10/100Mbps LAN port, single ISP account sharing for Internet users, Modem/ISDN TA sharing, PPP, PAP/CHAP,NAT,TCPIP,DCHP support, Dial on demand, idle time auto-disconnect, Firewall protection, PPP security