David Duffy (AVD) wrote: > I was considering two pairs in parallel for the single comms link, as > in (for example) white/blue & white/green for D+ and blue & green for > D-. No! Definitely make sure each twisted pair in the cable has both differential lines. Do NOT use one pair for D+ and the other for D-. Use two pairs of D+/D- instead if you must. Of course this is not to detract from my previous statement that doubling up the signal lines is not a good idea in the first place. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist