> Cant find any info on rs232 ring networks on the net.. > But I thought of some idea about it.. > When you talk about A talks to B and B talks to C.. Is it That's a (token) ring network. All token ring theory applies. Token rings were one of the standards before CSMA conquerered the world. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist