On 10/21/06, Genome wrote: > I'm thingking of setting DTR on from the PC side when connecting and then > the device on the other end should reply by setting DSR on.. and keep them > on while connected. just like a modem.. to detect a connection and sudden > disconnection.. im thinking of always querying this pins before sending and > receiving couple it with some error handling routine to tell if the cable is > good or not. Pretty much using the pins for their intended purpose. Sounds good to me! Orin. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist