Wayne writes:
 > the CNC. The question I have for the group is this: does Java have
 > the ability to read from the RS23 port? If so can someone point
 > me to the literature on this subject.
 > TIA.
 > Wayne

To my understanding, Java does not handle physical devices.
See Chapter 11, Native Serial I/O, in Rob Gordon's
"Essential JNI" (Prentice Hall), for UNIX (POSIX) and Win (COM)
example code, available per ftp:
 ftp.prenhall.com/pub/ptr/professional_computer_science.w-022/
    gordon/essential_jni. 

There are surely GPL sources out there, too. I recommend the
book, so far it has mentioned every pitfall I encountered.


                                                    b.

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