● Equipped with a communication port corresponding to both RS-422A/485 standards.Can be used as a standard COM port in Windows and Linux environments. ● Built -in insulating circuit, long -distance communication can be used with confidence. ● Up to 16 boards can be added and can be set up from COM1 -COM256. ● Send 128Byte Receive 128Byte FIFO buffer, so you can change the size of FIFO trigger. ● You can achieve optimal performance by adjusting according to the system. ● It supports high -speed communication with a maximum of 921,600bps. ● The borate of each channel can be set individually by software.- [Extended module] Bus specification PCI Size Low Profile Used connector D-sub 9-pin (male) [Serial communication] Number of channels 1x RS-422A/485 [asynchronous] Transmission speed 2-921,600bps Insulation Insulated Surge Transmission method RS-422A/485 [asynchronous]