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Hi Paul B,

 > Because I've been having trouble with Xon/Xoff handshake,
 > I thought I'd give hardware handshaking a try. I have been
 > using DIN to DB-25 adapter cables to hook my serial
 > printers to my Macs. I remember that to use hardware
 > handshaking used to require a special nine-pin serial
 > cable on the Mac side. Is this correct or does a "regular"
 > 8-pin DIN type of cable work?
 
Hardware handshake is quite essential for optimal functioning of my
Supra-Express modem, and the serial cable has a standard 8-pin DIN
type male connector suitable for the round Mac serial port.

Remember that "hardware handshake" is a two-party protocol that
both parties must voluntarily accept. Hardware handshake seems to
be the winner when available at all.  Someone here will have the
Mac 8-pin DIN "pinout" handy.

Cheers

Laurent S.


PS.  Sorry if this is superfluous; I'm on digest only...