2017年4月15日 星期六

RS232 接頭

RS232是序列通訊傳輸用的接頭, 有分 DB9 跟 DB25 兩種, 現在大部分的儀器通訊介面應該都會走 usb 比較多, 但是一些比較老的設備還是會用 RS232, 不過目前見過的都是用 DB9, 還沒見過用 DB25 的

DB9 pin 腳定義
https://www.lammertbies.nl/picture/db9_pin_name.png

實體長相
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR4unL2OnzP_P03VMBaXwOLOrX8-HaI44UV-Mdy_kvR2dcTkwyo

DB25 pin 角定義
https://www.lammertbies.nl/picture/db25_pin_name.png


實體長相
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