The MR-200 router is an GPRS router designed to be compatible with the current and future requirements of remote telemetry and industrial control systems applications. The unit has an integral Ethernet port and a 25 pin RS-232 serial interface for local connectivity. The Ethernet interface supports Multicasting (IGMP), VLAN, SNMP, SNTP, FTP, SNMP as well as all the standard TCP, UDP and DHCP protocols. The inbuilt RS-232 port can be used to connect legacy serial based equipment such as PLCs, RTUs or IEDs. Alternatively the internal serial port can be used as a backup connection to the remote site when used in conjunction with a suitable Westermo Modem. The MR-200 router has an integrated stateful inspection firewall and can support 5 IPSEC VPN (Virtual Private Network) terminations which can be secured using optional 3DES, AES, SSL, SSH encryption, and MD5, SHA1 key exchange protocols. These features ensure that the remote sites can use the latest security technology to resist denial of service attacks and hacking. The VPN’s can be used as a way of increasing security and to create secure tunnels, running between sites. The VPNs can be used to interconnect the sites effectively replacing the requirement for dedicated leased lines. The VPN tunnels can be terminated on either another MR-200 router or on a Westermo DR-250 ADSL router. An optional license for 50 VPN terminations is also available.