Electrical Engineering Glossary Definition for RS-422/RS-485

Definition

RS-485与RS-422为串行接口标准，以差分对儿(2线或双绞线电缆)形式发送数据，与非差分形式的串口(如RS-232)相比，能够提供更远的传输距离和更高的数据速率。请参考： 差分信号。

RS-485与RS-422可以配置成全双工和半双工总线系统。

请参考：Selecting and Using RS-232, RS-422, and RS-485 Serial Data Standards可以了解到更多关于RS-232、RS-422和RS-485之间差异的信息。

Synonyms

• EIA-485
• RS-485
• RS-422
• RS422
• RS485
• EIA-422

See Also

• 差分信号
• USB
• 串口
• EIA
• RS-232
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