Many usb to serial adapters are pieces of shit. There are few that work well.
You can test a serial port by using hyperterminal.
You just have to jumper the transmit n receive pins in the cable
Many usb to serial adapters are pieces of shit. There are few that work well.
You can test a serial port by using hyperterminal.
You just have to jumper the transmit n receive pins in the cable