The serial data interface RS232 is still extremely popular, even in the gigabit age. The D-Subminiature plug connector, which is old but very robust, still satisfies all the electrical and mechanical requirements for a stable signal transmission. It is particularly appreciated in the industrial environment for its excellent mechanical properties, such as vibration resistance and high contact resistance up to 5A. EFB-Elektronik offers a wide range of variants with different pole numbers from 9-pin to 62-pin.

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