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• 05:15, 17 September 2023 BACnetEd talk contribs created page RS-485 Polarity (Created page with "RS-485 comprises two signals, one that 'tracks' the logic levels (high voltage == 1, low voltage == 0). The other signal does the opposite. The labeling of these two signals has been polluted by chip and box vendors, which leads to a lot of confusion. This article attempts to resolve the status without adding to the confusion Our terminology: {| class="wikitable" |+ Caption text |- ! Our Terminology !! Description !! Logic levels !! Data Representation |- | T+ || Track...")