On Tuesday, September 18, 2001 2:33 PM, [EMAIL PROTECTED] wrote: > On Tue, Sep 18, 2001 at 11:25:45AM -0700, Lazar Fleysher wrote: > > As far as I understand a regular 25 pin serial port has 2 serial ports > > built-in on one chip.
> Uhm, i dont know what kind of computer you're using, but last i checked > DB25 is exactly like DB9 except it re-arranges the pins and carries more > redundant info. Right. The 25-pin EIA-232-D includes lines not normally used by PCs--mainly dealing with synchronous communication. All the signals needed for async can fit into 9 pins ( or 7 pins or 6 pins or 4 pins... :) ). -g
