Wintrac download cable for Thermo King IntelligAIRE II Aftermarket replacement for Thermo King PN 204-888 204-1040 For use with IntelligAIRE II controllers that have a gray plastic 5 pin Deutsch connector. Connects to your computer with a 9-pin serial port. Optional USB to serial adaptor available for computers without a serial port. The is a heavy-duty cable with molded connectors on both ends for long lasting reliable use. Approximately 10ft long Wintrac software is not included.