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The S Y Electronics SY-KPM6-BW 6 button keypad controller features 2 control ports bi-directional RS232 or IR, 2 input & 2 output ports and USB programming port that provides power whilst uploading or downloading. SY Device Suite User Guide pdf
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The S Y Electronics SY-RC1 compact controller features space and power saving, Device Suite configuration that can dramatically reduce time even for the most complex projects, and open standards for Ethernet and serial control protocols. SY-RC1 RS232 Codes