Hi List, I have a device here, with DCD shorted to RD (don't ask). When I try to communicate to it using AsyncPro, it hangs. Separating the lines fixes the problem, but I need it to work as-is. This same device works with a number of other programs, and HyperTerminal. Any ideas? Vitaliy -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist