On Wed, 24 Feb 2010 10:27:14 -0300 Gerhard Fiedler wrote: > Can't you use the RX lines of two RS232 interfaces, connected to two > instances of a terminal program? Note that any PC-based software analyzer can only use RS232 baudrates which are divisors of 115200 (230400 in some cases). Even though they may have a user-baud entry, they can't physically produce every possible rate. John -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist