联系人 厦门彬硕-小胡
电话18900224342 0592-5588308 QQ：469126278德国西门子交换机意为“开关”是一种用于电（光）信号转发的网络设备。它可以为接入交换机的任意两个网络节点提供独享的电信号通路。最常见的交换机是以太网交换机。其他常见的还有电话语音交换机、光纤交换机等。SIEMENS: 3RK 3RA 3RB 3RF 3RG 3RH 3RN 3RP 3RS 3RT 3RV 3RX 3SK 3TC 3TD 3TG 3TH 3TK 3TS 3TX 3UF 3UG 3LD 8WD 6GK 6SE70 6SY 6DD 6RY 6SB 6SL39特价供应交换机在同一时刻可进行多个端口对之间的数据传输。每一端口都可视为独立的物理网段（注：非IP网段），连接在其上的网络设备独自享有全部的带宽，无须同其他设备竞争使用。当节点A向节点D发送数据时，节点B可同时向节点C发送数据，而且这两个传输都享有网络的全部带宽，都有着自己的虚拟连接6GK5786-2FC00-1AA0
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