531X302DCIBBG2 GE 全双工型

531X303MCPAWG1
531X304IBDANG1
531X308PCSAAG1
531X308PCSABG2
531X308PCSAEG3
531X309SPCAHG1
531X309SPCAJG1
CB1N-1MPM-0140-AAA
DE-2015-915-001
DS200FCRLG1AFC
DS200FCRRG1AKD
DS200IMCPG1C GC
DS200LDCCH1ALA
DS200LDCCH1ANA
DS200PCCAG7HC1ABB
中贸网DS200SDCIG1AFB

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Description

RS485是RS422的变形,二者的区别是RS422为全双工型,RS485为半双工型,在使用RS485互联时,某一时刻只有一个站点可以发送数据,其他站点只能接收,因此,其发送电路必须由使能端加以控制,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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