A tester for local networks of the carrier sense multiple access and collision detection type with a bus architecture transmission system. The network includes at least one elementary segment comprising a number of stations. The tester includes a transmission and reception circuit analagous to those...http://www.google.co.uk/patents/US4945532?utm_source=gb-gplus-sharePatent US4945532 - Local network testing using carrier sense multiple access and collision detection (CSMA/CD)
