Advantech PCL849 Rev A1 01-5 4-Port High Speed RS-232 Communication CardAdvantech PCL 849 Rev A1 01 5 4 Port High Speed RS 232 Communication Card The Advantech PCL 849 is a high speed RS 232 communication card designed to add four serial ports to industrial PCs, offering reliable and efficient data communication in multi device setups. Ideal for applications involving serial device integration in automation and control systems. Key Specifications Model: PCL 849 Rev. A1 01 5 Communication Type: RS 232 Number of Ports: 4