$449.95 CALL TODAY! SSD Digital I/O A-L Module High Frequency. Information about this module can be found at http://www.valeksrl.com.ar/manuales/ssddrive/variadoresdrive/Software/Link%20Overview%20Manual.pdf SSD LINK is a configurable drive systems product range. In order to configure the modules, an IBM PC-compatible computer with a 386 (or greater) processor running Windows 3.1 (or later) and a mouse or other pointing device is required along with configuration software tools from Eurotherm Drives. For requirements specific to individual tools, refer to the manuals for those tools.