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A network switch is a computer networking device that links network segments or network devices. The term commonly refers to a multi-port network bridge that processes and routes data at the data link layer (layer 2) of the OSI model. Switches that additionally process data at the network layer (layer 3) and above are often called layer-3 switches or multilayer switches. A network switch is made up of network switch components.

3com SuperStack® 3 Switch 4900 1000BASE-T Module, 1 Gbit/秒, any network protocol, Cat5, SuperStack 3 Switch 4900 slot, 1000BASE-T

3com SuperStack® 3 Switch 4900 1000BASE-T Module. 数据传输率: 1 Gbit/秒, 数据链路协议: any network protocol, 布线技术: Cat5. 槽式: SuperStack 3 Switch 4900 slot, 输入输出端口: 1000BASE-T

SuperStack® 3 Switch 4900 1000BASE-T Module

3com SuperStack® 3 Switch 4900 1000BASE-T Module 网络开关元件