On Wed, Dec 15, 2010 at 7:51 PM, James Kaufman <jmk at kaufman.eden-prairie.mn.us> wrote: > I did some work for a company back in the 80's that was still using > 10Base5 Ethernet. I had never seen it before and was amazed that it > worked at all. I wish vampire taps worked on Cat 5, personally. Brian