Designed for secure communication between remote sites, the DR-250 is based on the very latest ADSL2/2+ and supports the fastest broadband speeds available. It enables economical and reliable links connecting equipment such as SCADA, PLCs, RTUs and I/O devices. It provides 20 encrypted secure tunnels and can incorporates a UTMS 3G/HSDPA wireless card for back up. DR-250 is the ideal solution for replacing high-cost leased lines. Legacy serial based equipment can be connected to the DR-250 via the onboard RS-232 terminal server. DR-250 allows a migration path from older legacy systems to new IP based solutions without the need to upgrade the communication equipment.