On Tuesday, April 1, 2003, at 09:45 PM, MoorePrint@... wrote: > You gotta have hardware handshaking to get stuff to work reliably over > oh say about 2400 bps. There were at least 2 different mac- db25 > serial cable configurations that were different in their use of how > hardware handshaking should be wired. This may even go beyond the > different wiring for printers vs. modems. > Actually, we have a project doing rather splendidly at 230kbaud, pots of them working at 9600, and a fairly fresh one at 38400, without a hardware handshake in sight: just a talk wire, a listen wire, and a ground. How can this be? -- Ted Spencer -- Solitude is wonderful as long as one can choose the people with whom one is to be alone.