Alan B. Pearce wrote: > It does not send a character on the TX line, but it does play with the > DTR/DSR lines to detect if there is a device it can talk to. But most of my devices have nothing connected to those lines and HyperTerm still talks to them fine. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist