FTDI chip Automation Direct Koyo USB D2-DSCBL Programming Cable Click DirectLOGIC Automation Direct Koyo D2-DSCBL USB Programming Cable 6ft USB to 6P6C RJ12 cable that replaces D2-DSCBL RS232 cable Compatible with many Automation Direct units including: DirectLOGIC DL05, DL06, DL105, DL205, D3-350 and D4-450 CPUs, Do-more H2 series CPUs, and CLICK CPUs. FTDI Chipset! Windows 7 and 8 will automatically install drivers, no need for additional drivers or install CD's (no CD included). There are free and paid versions of programming software available from Automation Direct