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CAT - 5E CAT - 6E Network Cable RJ45 Connector Wire Harness Cable
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CAT - 5E CAT - 6E Network Cable RJ45 Connector Wire Harness Cable

China Factory CAT - 5E & CAT - 6E Network Cable RJ 45 Connector Wire Harness Manufacturers Har Wire Cable
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  • CAT - 5E & CAT - 6E

  • SUYI

Network cables are used for data transmission and are widely applied in computer networks, data centers, communication equipment, and home networks. Common types include twisted pair, coaxial cables, and fiber optics, with twisted pair cables being the most popular, especially in local area networks (LAN) and Ethernet applications. Below is a professional introduction to network cables:

Main Types of Network Cables:

  1. Twisted Pair Cable:

    • Classification: Twisted pair cables are divided into Shielded Twisted Pair (STP) and Unshielded Twisted Pair (UTP). UTP is widely used in Ethernet, with common standards such as CAT5e, CAT6, CAT6a, CAT7, and CAT8, supporting different bandwidths and transmission distances.

    • Structure: Twisted pair cables consist of two copper conductors twisted together to reduce electromagnetic interference (EMI) and crosstalk, improving signal transmission quality.

    • Applications: Twisted pair cables are mainly used for LAN connections, such as data transmission between computers, switches, routers, and modems.

  2. Coaxial Cable:

    • Structure: Coaxial cables consist of a central conductor, an insulating layer, a shielding layer, and an outer jacket. The shielding layer effectively prevents electromagnetic interference, ensuring stable signals.

    • Applications: Coaxial cables are primarily used for cable television systems, broadband internet, surveillance cameras, and long-distance network connections.

  3. Fiber Optic Cable:

    • Classification: Fiber optic cables are classified into Single-Mode Fiber (SMF) and Multi-Mode Fiber (MMF). SMF is suitable for long-distance data transmission, while MMF is typically used for short-distance, high-speed data transmission.

    • Structure: Fiber optics transmit data through light pulses, with extremely low signal loss and high bandwidth.

    • Applications: Fiber optics are widely used in backbone networks, data centers, high-speed internet, and long-distance communication systems, supporting hundreds of Gbps of high-speed transmission.

Key Performance Parameters of Network Cables:

  1. Transmission Speed and Bandwidth:

    • The transmission speed (Data Rate) of a network cable refers to its ability to transfer data, usually measured in bits per second (bps). Common speeds include 100Mbps, 1Gbps, and 10Gbps.

    • Bandwidth refers to the maximum data the cable can transmit, measured in megahertz (MHz). The higher the bandwidth, the greater the supported transmission speed. For example, CAT6a cables have a bandwidth of 500MHz and support 10Gbps transmission speeds.

  2. Transmission Distance:

    • The transmission distance depends on the type and specification of the cable. UTP cables typically provide stable transmission within 100 meters, while fiber optics can transmit data over several kilometers or even hundreds of kilometers without signal loss.

  3. Interference Resistance:

    • Different types of network cables have varying abilities to resist electromagnetic interference (EMI) and radio frequency interference (RFI). Shielded Twisted Pair (STP) and coaxial cables offer better interference resistance, while fiber optics, due to transmitting data through light, are almost immune to EMI.

  4. Connector Types:

    • Twisted pair cables usually use RJ45 connectors for Ethernet devices; coaxial cables often use BNC or F-type connectors; fiber optics employ SC, LC, ST, and other connectors, depending on the specific application.

Application Scenarios for Network Cables:

  1. Local Area Networks (LANs): Twisted pair cables (such as CAT6, CAT6a) are widely used to interconnect devices in LANs, providing high-speed data transmission and reliable network connections.

  2. Wide Area Networks (WANs) and Backbone Networks: Fiber optics are an essential part of backbone and WANs due to their long-distance and high-speed transmission capabilities, connecting multiple LANs for high-speed data transmission across regions.

  3. Home Networks: Network cables are commonly used in home broadband connections, supporting stable, high-speed connections for routers, TVs, computers, and other connected devices.

  4. Data Centers: Data centers use high-performance fiber optics and high-standard twisted pair cables for fast, high-bandwidth connections between servers, storage devices, and network equipment.

Summary:

Network cables are essential infrastructure in modern communication networks, offering diverse types and superior performance. Choosing the right type of network cable based on specific application scenarios can significantly improve network performance and stability. Whether in home networks, office LANs, or large data centers, network cables play a crucial role in providing high-speed, stable data transmission.


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