I/O ActiveX - OCX control that provides access to devices on a PCs serial ports and parallel ports. By JSPayne. www.jspayne.com/io
RS 422 Controller - Control for accessing any remote controllable VCR or DDR with Sony protocol RS 422. www.rs422.com.ar
Sax Comm Objects - Provides multi-threaded serial communications capabilities. Compatible with MSComm and PDQComm. By Sax Software Corp. [Component/Control, Commercial] www.saxsoft.com/comm
