Description
RS422/485采用平衡驱动,差分接收电路,取消了信号地地接法,平衡驱动器相当于两个单端驱动器,当输入同意信号时其输出是反相的,如有共模信号干扰时,接收器只接收差分信号电压,从而大大提高了抗共模干扰的能力,并能在较长距离内明显提高传输速率。其传输距离可达1200M(10KB/S)传输速率可达10MB/S,分别是RS232C的100倍和500倍。
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