They should be used only by someone who is competent/comfortable installing (and possible uninstalling) USB drivers on his PC. We do not offer installation support for these drivers. However, anyone thinking about using them needs to be aware of the following points: In order to facilitate the use of third-party applications which expect to communicate with a serial interface, drivers that emulate a COM port are available. These new interfaces do not use a USB UART chip and cannot be be used for 'dumb K-line pass-through'! It does NOT apply to our current HEX-V2 or HEX-NET interfaces. NOTE: The following applies to our legacy USB interfaces (HEX-USB, KII-USB and HEX-USB+CAN).
Hence the USB drivers that ship with VCDS do not emulate a serial COM port and cannot be used with applications that expect to communicate via a serial port. Early in their development, we found a number of technical advantages to using a 'direct' USB driver which bypasses the Windows Serial drivers entirely. However, our USB interfaces present additional challenges.
This allowed those old Serial interfaces to be compatible with a wide variety of third-party applications which expect a 'K-line pass-through' serial interface. Older Ross-Tech RS-232 Serial interfaces can be set to power up as 'dumb K-Line pass through' interfaces. Virtual COM Port Drivers for Ross-Tech USB Interfaces Vag Kkl 409.1 Usb Driver Download For Windows 7
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