I worked at UCB about 20 years later and when running network cable in the drop ceiling (because the UCB network was so slow) I came across an old thicknet cabl

I worked at UCB about 20 years later and when running network cable in the drop ceiling (because the UCB network was so slow) I came across an old thicknet cable labelled CSRG and was told "don't cut that- you never know who might be using it".