B+B SmartWorx 9PMDS 9-Pin RS232 Modem Data SplitterB+B SmartWorx 9PMDS 9 Pin RS232 Modem Data Splitter This 9PMDS device from B+B SmartWorx is a compact, passive RS 232 data splitter designed to share a single modem or serial line between two devices without the complexity of active electronics. Built around the classic DB9 9 pin RS 232 standard, the 9PMDS employs a diode OR network to combine signals from two DCE ports and present a clean, single DTE output. Its a practical solution for laboratories,