Electronic modules

摘要

An electronic module having a chassis and a single backplane disposed within the chassis. A plurality of bridge circuit cards is disposed within the chassis and is electrically connected to the single backplane. Each of the plurality of bridge circuit cards is for converting between a local area network protocol and a wide area network protocol. A hub circuit card is disposed within the chassis and is electrically connected to the single backplane so that the hub circuit card is electrically connected to each of the plurality of bridge circuit cards. The single backplane is connectable to each of a plurality of remote units for respectively electrically connecting each of the plurality of remote units to each of the plurality of bridge circuit cards. The single backplane is connectable to a data network for electrically connecting the data network to the hub circuit card.