Unravelling the RS-232 standard. 2014-04-07

[Val Gretchev]

Val Gretchev submitted a new article:

Unravelling the RS-232 standard. - The new specification defines a symmetrical hardware handshaking method by just changing RTS.

One of the most confusing interface standards must be RS-232. Since its introduction in 1962, it has undergone numerous changes as it was put to use in many applications not originally envisioned. Over the years, many products were designed by engineers who interpreted the specifications in their own way often resulting in incompatible connections between products.

The original intent was to connect a computer access point (about the size of a small refrigerator in the 1960s mainframes) to a...

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