If you are just starting to link up Macs and Vaxen, I would recommend NOT
using MACX and the MacTerminal protocol.  The current standard in the Mac
world is
MacBinary (and MacBinary II is coming on fast).  Disadvantages:

	1)  Although the file headers created by both MacBinary and Macterminal
are similar, they aren't compatible - MacTerminal writes garbage into
several bytes that MacBinary insists are null, so MacTerminal can always
recognise MacBinary headers, but not vice-versa.  

	2)  MacTerminal doesn't use CRC checking, so you lose out on the extra
security.  

	3)  Most Mac terminal emulators don't support MacTerminal protocol. The
only ones I'm aware of that do are MacTerminal, Versaterm, and Telescape.

The one advantage to MACX is that it can do batch downloads - MacTerminal
protocol is always listening for the escape sequence to start a file
transfer, so batch downloads are easy.  If you have Versaterm 3.0 or later,
you can also do batch uploads of binary files (not /text).


My suggested system if you're just getting set up is to use Jim Belonis's
XMODEM program on the Vax end (it's included with this submission) and any
terminal emulator that supports MacBinary on the Mac end.