4 Port USB to RS232 Converter RS232 x4 ports Supports USB 2.0 Full-Speed 15kV Surge Protection 4X DB9 connector Optional RS422/485 model also available
4 Port USB to RS232 Converter RS232 x4 ports Supports USB 2.0 Full-Speed 15kV Surge Protection 4X DB9 connector Optional RS422/485 model also available