Cabletron Systems TPT 92 Series

These modules appear to be unused stock, from a corporate IT division.  They all are in excellent cosmetic condition, and are being sold at a very low price, and strictly AS IS.  

Cabletron Systems was a manufacturer of networking computer equipment throughout the 1980s and 1990s primarily based in Rochester, New Hampshire, in the United States. They also had manufacturing facilities in Ironton, Ohio, and in Ireland.