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Table 1: RS-232 Pinout Table 2: RS-422/485 Pinout
The 4WSD9R Universal Converter is a port-powered or externally powered two-channel RS-232 to RS-422/RS-485 converter. It converts TD and RD RS-232 lines to balanced RS-422 or RS-485 signals. RS-485 is an enhanced version of the RS-422 standard, allowing multiple drivers and receivers on a two-wire system. The unit is powered from the RS-
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