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Standard Scale Connection RS232

RS232 interface

The standard RS232 describes the serial connection between a data terminal equipment (DTE) and a data circuit-terminating equipment (DCE) with their electrical and mechanical properties ( i.e. timing, voltage level, protocol, plug ).

In interface descriptions of many devices also the term V.24 is used instead of RS232. Although these standards are different, the terms are often used interchangeably in practice.
The RS232 standard defines a 25-pin SUB-D connector. Moreover, also the 9-pin SUB-D connector is used, especially in the PC world.
9-pin SUB-D-plug SUB-D pin assignment 25-pin SUB-D-plug
The RS232 interface has a variety of handshake lines which however are mainly needed only for connnecting a modem to a data terminal device.

The achievable distance between two RS232 devices depends, as with all serial transmission methods, greatly from the cable and the baud rate. The RS232C defines the maximum distance of 15 meters without taking into account the transmission rate.

Scale Connection

Any information in the text serves for informational purposes only and is not legally binding.
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