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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.

Cisco XENPAK Module 10GBASE-SR, 10 Gbit/秒, Gigabit Ethernet, 10GBase-SR, IEEE 802.3ae, 36 x 121 x 18 mm, 1 port

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XENPAK Module 10GBASE-SR

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