RS423 interface - a replacement for the RS 232C?

Since its introduction at the end of the 1960s the RS232 norm has become a solid telecommunication standard. More recently, however, other norms have appeared as practice has shown the original one to be lacking in some respects. There is little to recommend going through all these standards with a fine-tooth comb but it is, on the other hand, interesting to trace the lines along which they have evolved as a method of better evaluating their merits. That is what this article will attempt to do for the RS423 norm which several personal computers have already adopted. the RS423 interface elektor may 1984 the RS423 interface A standard, by definition, is fixed. It can- not evolve with the environment it nor- malises. Some of them resist radical change, such as, for instance, the layout of the keys on a typewriter which was deci- ded by purely practical mechanical reasons but has not been changed for computer keyboards. Others, however, quickly become obsolete. The authorities on matt...