USB serial RS-485 RS-422 adapter cable Support WindowsXP 10, 8, 7, Linux, Mac etc; Plug and play, no power required.
The processor chip (FTDI-chipset FT232) and I / O automatic conversion circuit with high performance and quality make the RS 485 to USB converter one of the most reliable dongles in the market.
Provide 600W surge protection and 15kV ESD isolation protection on the signal pin to protect expensive and usually sensitive control equipment from electrical damage.
USB to RS485 / RS422 converter allows you to easily connect RS485 or RS422 devices directly to the USB port of your laptop.
There is no conflict between IRQ and COM port, because the port does not need any additional IRQ, DMA and memory as system resources; RS485 for Half duplex and RS422 for Full duplex communication.