Data transmission system for transferring data between a computer bus and a network using a plurality of command files to reduce interruptions between microprocessors

摘要

A data transmission system coupled between a computer bus (PBS) and a network (RE) includes a coupling device (GPU) linked to the bus and communicating by an interface with an adapter device (DEA) including a microprocessor (CPU2) connected to the network, an initial microprocessor (CPU1), and apparatus for transferring frames from the bus to the adapter device including a double port. The system is characterized by the fact that the interface is constituted by command files (F1 to F4) grouped in the memory, the second management processor handling software modules (ML1 , . . . ML10) independent of each other, to manage the emission and reception of specific frames from the network and communicating by means of letter boxes (BAL1, etc . . . ) included in the second processor and/or command files.