7.6 Modeling Interfaces Using Ports
Modeling interfaces is a critical aspect of systems modeling. SysML allows modelers to specify a diverse set of interfaces including mechanical, electrical, software, and man-machine interfaces. In addition, interfaces that specify information flow must be capable of specifying both the logical content of the information, as well as the physical encoding of the information in bit, bytes, and other signal characteristics. Although system interfaces may be specified simply using the features of blocks and connectors between parts, SysML also introduces the concept of ports which allow a more robust and flexible definition of system interfaces.
A port represents an access point on the boundary of a block and on ...
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