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On Sun, 7 Apr 1996, Dennis Pantazis wrote: > A null modem cable is basically a modem cable which reverses the send > and recieve pins. If two serials were connected with a modem cable they > would both try to listen for data on the same line and try to send data > on the same line, so pins 2 & 3 of the cable are reversed wrt a modem cable. > They are about $10. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ That's a cheap null modem cable. I don't think that'll work with a Mac. I seem to recall reading that the Mac combines a couple of the PC serial port's pinouts, requiring a fully wired null modem cable for the signals to make sense to the Mac. The "Laplink" cables are fully wired. -- John H. Kim "Just try telling the IRS you don't feel like jokim@mit.edu 'contributing' this year come April." -- Bob Dole jokim@tuna.mit.edu on Bill Clinton's avoidance of the word 'taxes'