![SP3078EEN-L/TR SP3078E Series 16Mbps 15kV ESD Protected RS-485/RS-422 Transceiver IC - China SP3078EEN-L/TR, SP3078 | Made-in-China.com SP3078EEN-L/TR SP3078E Series 16Mbps 15kV ESD Protected RS-485/RS-422 Transceiver IC - China SP3078EEN-L/TR, SP3078 | Made-in-China.com](https://image.made-in-china.com/202f0j00mMUbHBrdkEqw/SP3078EEN-L-TR-SP3078E-Series-16Mbps-15kV-ESD-Protected-RS-485-RS-422-Transceiver-IC.jpg)
SP3078EEN-L/TR SP3078E Series 16Mbps 15kV ESD Protected RS-485/RS-422 Transceiver IC - China SP3078EEN-L/TR, SP3078 | Made-in-China.com
![Why is this RS422 IC wired this way? A and B pins are left floating receiver signal is passed through an optocoupler and then to the microcontroller. : r/AskElectronics Why is this RS422 IC wired this way? A and B pins are left floating receiver signal is passed through an optocoupler and then to the microcontroller. : r/AskElectronics](https://preview.redd.it/65c7yqebv7h91.jpg?width=1422&format=pjpg&auto=webp&s=b6c90e7e3ab6a478d20be997ac7683e8e4358f5a)
Why is this RS422 IC wired this way? A and B pins are left floating receiver signal is passed through an optocoupler and then to the microcontroller. : r/AskElectronics
![UA9637ACD | Texas Instruments Differential Line Receiver RS422/RS423 5.25V 35mA SOIC | Distrelec Germany UA9637ACD | Texas Instruments Differential Line Receiver RS422/RS423 5.25V 35mA SOIC | Distrelec Germany](https://media.distrelec.com/Web/WebShopImages/landscape_large/ho/to/SOIC-8-Photo.jpg)
UA9637ACD | Texas Instruments Differential Line Receiver RS422/RS423 5.25V 35mA SOIC | Distrelec Germany
![SN65HVD1473: Can be used this IC for RS-422 purpose too? - Interface forum - Interface - TI E2E support forums SN65HVD1473: Can be used this IC for RS-422 purpose too? - Interface forum - Interface - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/rs_5F00_485_5F00_en.png)