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[AipuWaton] Identifying fake Cat6 Cables

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A structured cabling system is a combination of crimping methods, modular structure, star topology, and open features. It includes several subsystems:

Servers:

Servers manage resources and provide services to users. They are typically categorized as file servers, database servers, and application servers. Servers have higher requirements for stability, security, and performance compared to regular PCs. Consequently, their hardware components, such as CPU, chipset, memory, disk systems, and networking, differ from those of standard PCs.

Routers:

Also known as gateway devices, routers connect logically separated networks. These logical networks represent individual networks or subnets. When data needs to be transmitted from one subnet to another, routers use their routing functionality to accomplish this task. Routers determine network addresses and select IP paths. They establish flexible connections in multi-network environments, allowing different data packet formats and media access methods to connect various subnets. Routers only accept information from source stations or other routers and belong to the network layer as an interconnecting device.

Fiber Optic Transceivers:

Fiber optic transceivers exchange short-distance twisted-pair electrical signals with long-distance optical signals in Ethernet transmission media. They are also referred to as optical-electrical converters. These products are commonly used in practical network environments where Ethernet cables cannot cover the required transmission distances, necessitating the use of fiber optics. They are typically positioned at the access layer of broadband metropolitan area networks (MANs) and play a significant role in connecting the last-mile fiber lines to MANs and outer networks.

Fiber Optics:

Fiber optics, abbreviated as optical fibers, are made of glass or plastic and serve as light-conducting tools. The transmission principle relies on “total internal reflection” of light. The concept of using optical fibers for communication transmission was first proposed by former Hong Kong Chinese University President Kao Kuen (Charles K. Kao) and George A. Hockham. Kao was awarded the Nobel Prize in Physics in 2009 for this groundbreaking idea.

Optical Cables:

Optical cables are manufactured to meet optical, mechanical, or environmental performance specifications. They utilize one or more optical fibers placed within protective sheaths as the transmission medium and can be used individually or in groups as communication cable components. The primary components of optical cables include optical fibers (thin glass or plastic filaments), reinforcement steel wires, fillers, and outer sheaths. Depending on requirements, additional components such as waterproof layers, buffer layers, and insulated metal conductors may be included.

Patch Panels:

Patch panels are modular devices used for managing front-end information points at the distribution end. When information cables (such as Category 5e or Category 6) from front-end points enter the equipment room, they first connect to patch panels. The cables are terminated onto modules within the patch panel, and then jumper cables (using RJ45 interfaces) connect the patch panel to switches. Overall, patch panels serve as management devices. Without patch panels, directly connecting front-end information points to switches would require rewiring if cable issues arise.

Uninterruptible Power Supplies (UPS):

UPS systems connect rechargeable batteries (often maintenance-free lead-acid batteries) to the main unit. Through inverters and other circuit modules, UPS systems convert direct current (DC) from the batteries into alternating current (AC) for use during power outages. They are primarily used to provide stable, uninterrupted power supply to single computers, computer network systems, or other electronic devices (such as solenoid valves and pressure transmitters). When utility power is normal, the UPS stabilizes and supplies power to the load. During power interruptions (accidental outages), the UPS immediately switches to battery power, providing 220V AC to maintain normal operation and protect both hardware and software components of the load. UPS devices typically offer protection against both high and low voltage conditions.

Patch Panels:

Patch panels are used in the work area cabling subsystem and are suitable for installing various types of modules. Their main purpose is to secure modules and protect cable terminations at information outlets, acting as a type of screen or shield. While patch panels do not significantly impact system performance, they are among the few visible components on the wall surface within the entire cabling system. Their performance and aesthetics directly influence the overall effectiveness of the cabling installation.

Switches:

Switches are network devices used for signal forwarding. They provide dedicated signal paths between any two network nodes connected to the access switch. The most common type of switch is the Ethernet switch. Other common types include telephone voice switches and fiber optic switches.

Structured cabling isn’t just about wires—it’s an investment in efficiency, reliability, and future readiness.

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Post time: Jul-31-2024