Multi Link version 3.5, is your scalable network power protection solution. Run Multi Link on one machine to monitor your power & ensure a graceful, unattended shutdown in the event of an extended power failure. In the one-on-one configuration, Multi Link will monitor a serially connected UPS or an SNMP-enabled UPS over the network. Multi Link can also be upgraded to support your unique needs. Purchasing the Multi Link Network Administration License means that you can monitor multiple UPS units & remotely configure other installations of Multi Link throughout your network. Purchasing the Multi Link Network Shutdown License means that you can efficiently manage your power protection on a larger UPS by running Multi Link on one computer & using that computer to coordinate the shutdown of other computers throughout your network. This product is designed for the following systems: Power Sure PSA Serial; Power Sure Interactive SNMPE3;UPStation GXT 2U;UPStation GXT 2U SNMPE3;UPStation GXT 2U OCWEBCARD;UPStation GXT 2U Serial; Nfinity 1x 1 Serial; Nfinity 1x 1 OCWEBCARD; Nfinity 3x 1 Serial; Npower OC-NIC; Hi Net 3x 1 Serial; Hi Net 3x 1 SNMPE3; Hi Net 3x 3 Serial; Series 7200; Series 7200 Single Module OC-NIC; Series 300; Series 300 SNMP Kit; Series 600; Series 600 SMS SNMP Kit.