PTS-75x (serial transmission) 
Not recommended to apply in new solutions
The PTS-758 package is used for serial transmission. It supports 4 transmission channels in the RS-232 standard and 4 channels in the RS-485/RS-422 standard. The direction of transmission of channels operating in the RS-485 mode can be controlled programmatically or automatically. The packages are designed to work with the "MS" system.
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