RS232 RS422 RS485的本質區別 2008年1月17日 ... 為改進RS-232通信距離短、速率低的缺點,RS-422定義了一種平衡通信接口,將 傳輸速率提高到10Mb/s, ...
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Serial Interfaces for RS232, RS485, and RS422 - National Instruments National Instruments, offers a complete family of high-quality, reliable serial interfaces for communications with laboratory instruments, industrial devices, and embedded circuits using RS232, RS485, and RS422. NI Serial interfaces are available on
Main Differences of RS-232, RS-422 and RS-485 - Neteon's Blog 18 Jul 2013 ... Discussing the main differences between the three commonly used serial ... RS422 is an improved version of RS232, it uses twisted pair cable to educe the noise, ... RS485 is an improved version of RS422, it expands on the ...