Modbus is a venerable network protocol designed for communication ... the International Organization for Standardization’s (ISO) Open Systems Interconnect (OSI) model, which are the physical and ...

Acromag releases an invaluable white paper providing in-depth discussion of the Ethernet protocol, explains OSI layers and illustrates key concepts. The Modbus protocol was developed in 1979 by ...

While some people may argue that the OSI model is obsolete (due to its conceptual nature) and less important than the four layers of the TCP/IP model, Kumar says that “it is difficult to read ...

Maybe it’s because I tend to associate applications with TCP ports. As a matter of fact, when I started writing this post I titled it “Layer 4 of the OSI Model – understanding the ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though ...