> If it were me ..... > Cable and connector would have optical data path > and 24V super- conducting electrical power path. 24V AC 1kHz for galvanically decoupling. A device would have a rectifier and a step-dopwn converter. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .