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Computer Science -Wired Network
Wired network connections operate by linking an Ethernet cable from a computer to an Ethernet network jack in the wall, as illustrated below. Behind the wall plate, more cables extend to switches and other network devices that facilitate network operation. An image of a wall plate featuring four Ethernet network connectors designated C 15, C 16, C 17, and C 18. A cable from the computer is linked to one of the jacks.
The Ethernet cables utilized for wired networks are equipped with plugs resembling the one depicted in below This is referred to as an RJ-45 connector, and it constitutes an industry standard. RJ stands for "registered jack," and the RJ-45 connector is the 45th standard in this series. The RJ-45 connector is occasionally described as an 8-pin connector. This is due to the presence of eight copper pins at the end. Upon severing an Ethernet cable, one would discover eight copper wires contained within. Each wire is connected to a corresponding pin on the connection. RJ-45 connectors are affixed to network cables via specialized tools known as crimpers. Figure below illustrates an example of a crimper. Technicians can verify the functionality of a cable via a specialized cable tester, exemplified in Figure below
Small form-factor pluggable (SFP) modules, exemplified in Figure 9.5, facilitate the connection of fiber-optic cables to network equipment. These modules connect to a network switch or router to integrate it with the fiber-optic system of the network. They facilitate high-speed data transmissions and are crucial for network configurations that span extensive distances or necessitate rapid transfer rates beyond the capabilities of conventional copper cables.
Wired network connections operate by linking an Ethernet cable from a computer to an Ethernet network jack in the wall, as illustrated below. Behind the wall plate, more cables extend to switches and other network devices that facilitate network operation. An image of a wall plate featuring four Ethernet network connectors designated C 15, C 16, C 17, and C 18. A cable from the computer is linked to one of the jacks.
The Ethernet cables utilized for wired networks are equipped with plugs resembling the one depicted in below This is referred to as an RJ-45 connector, and it constitutes an industry standard. RJ stands for "registered jack," and the RJ-45 connector is the 45th standard in this series. The RJ-45 connector is occasionally described as an 8-pin connector. This is due to the presence of eight copper pins at the end. Upon severing an Ethernet cable, one would discover eight copper wires contained within. Each wire is connected to a corresponding pin on the connection. RJ-45 connectors are affixed to network cables via specialized tools known as crimpers. Figure below illustrates an example of a crimper. Technicians can verify the functionality of a cable via a specialized cable tester, exemplified in Figure below
Small form-factor pluggable (SFP) modules, exemplified in Figure 9.5, facilitate the connection of fiber-optic cables to network equipment. These modules connect to a network switch or router to integrate it with the fiber-optic system of the network. They facilitate high-speed data transmissions and are crucial for network configurations that span extensive distances or necessitate rapid transfer rates beyond the capabilities of conventional copper cables.
Ethernet Network Jack
RJ 45 Connector
Cable Tester
Small form factor pluggable interface
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