A repeater for local area networks of the MIL-STD-1553B type allows extension of the LAN to remote terminals. The repeater terminates the dual LAN buses and interfaces them with a single remote bus. Normally, the repeater is transparent to all traffic in the receive direction from both buses of the LAN...http://www.google.fr/patents/US4837788?utm_source=gb-gplus-shareBrevet US4837788 - Repeater for extending local area networks
