Available forum solutions to this problem are half-baked. Even vendors selling their "USB to Serial" adapters are baffled. Main cause of this issue is because the device you own contains a. I need to get a usb to serial cable working. Gateway Cable Parts Numbers List Page – AFR Enterprises Allows to connect serial RS devices to. In computing, a serial port is a serial communication physical interface through which information transfers in or out one bit at a time[…]