Add 4 DIN Rail-mountable RS232 Serial ports to any system through USB 4 Port USB to DB9 RS232 Serial Adapter Hub Industrial DIN Rail and Wall Mountable / USB to RS 232 Serial Adapter 4-Port / USB to Serial Converter Rugged all-metal enclosure for added durability in harsh environments / Wall-mountable with included DIN Rail clips Supports baud rates up to up to 921.6 Kbps / USB powered with easy plug and play installation
