531X308PCSAAG1 GE 网络设计

531X308PCSABG2
531X308PCSAEG3
531X309SPCAHG1
531X309SPCAJG1
CB1N-1MPM-0140-AAA
DE-2015-915-001
DS200FCRLG1AFC
DS200FCRRG1AKD
DS200IMCPG1C GC
DS200LDCCH1ALA
DS200LDCCH1ANA
DS200PCCAG7HC1ABB
中贸网DS200SDCIG1AFB
DS200SHVMG1AFE
DS200STBAG1ABB
DS215SDCCG1AZZ01A
DS3800DGRA1E1C
DS3800DGRC1C1D

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Description

N:N网络RS485连线的选择是一对导线,单对子布线的情况下,在端子RDA和RDB之间连接端子电阻(110欧,1/2瓦棕棕棕),双对子布线的情况下,在端子SDA和SDB之间连接端子电阻,(220欧姆,1/4瓦),而在RDA和RDB之间也是这样。(橙橙棕),优点:1节省配线,2提高处理速度,3实时性。四N:N网络设计

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