Network cabling with our previous traditional cabling any different cabling traditional cabling comparison
a defined cabling:? A12b34c53fg3p7 & nbsp; & nbsp; integrated wiring full name is "building structured cabling network", press the function call the "integrated type wiring system", which is set to meet future ISDN & amp; lt; integrated services Digital network & amp; gt; needs specially designed wiring system, which use high-grade
quality standard materials, using a combination of pressure joints, making it easy to be combined into a complete wiring system. Usually using twisted pair can transmit voice, data, image signal, and can be connected to IBM, Wang, IBS, DEC and other computer network and secure messaging
alarm monitoring system, using high-quality twisted-pair cable and can transmit high-speed data high-precision image and meet future FDDI (Fiber Distributed Data Interface) standard transmission medium.
& nbsp; & nbsp; Second, cabling subsystem consisting of:
& nbsp; & nbsp; cabling is made up of six independent subsystems:
& nbsp; & nbsp; 1) complex subsystems (CAMPUS) implement cabling system the connection between the buildings in the complex
& nbsp; & nbsp; 2) equipment subsystem (eQUIPMENT) connect wiring systems and equipment. Mainly related with different device adapters.
& nbsp; & nbsp; 3) main line (RISER; BACKBONE) subsystems connect computer equipment, program-controlled machine PBX and the various management subsystems. Common communication medium is optical fiber, enabling FDDI technology, the system transfer rate of 100MBPS.
& nbsp; & nbsp; 4) Management Subsystem (ADMINISTRATION) to achieve distribution management, the design is perfect, the use of color coding, it is easy to track and jumpers, Volume 50 percent space savings over traditional wiring box.
& nbsp; & nbsp; 5) the level of subsystems (HORIZONTAL) realized between information outlets and management subsystem (jumper frame) the connection, and three types of commonly used UTP twisted pair to achieve this connection, this project uses UTP unshielded twisted-pair.
& nbsp; & nbsp; 6) workspace (WORK AREA) subsystem. Common device is a computer (PC, workstation, in the end, the printer), telephones, fax machines and other equipment.
& nbsp; & nbsp; & nbsp; Third, cabling investment projects:
& nbsp; & nbsp; 3.1 transmission medium
& nbsp; & nbsp; twisted pair (Twisted pair), for all wiring subsystems. It can transmit data, voice and image signals.
cable (Optical Fiber), is mainly used for buildings and backbone subsystems. Safe, low distortion, high capacity.
& nbsp; & nbsp; 3.2 patch
& nbsp; & nbsp; patch panels designed, color-coded, easy tracking and jumpers, small, space-saving 50% than the traditional wiring box. Fast-fit jumper, easy to manage and maintain.
& nbsp; & nbsp; cable distribution box - Modular structure, easy expansion connector coupling device makes the connection easier.
& nbsp; & nbsp; 3.3 standard information outlet
& nbsp; & nbsp; points embedded type, surface type, double, single hole and other models, to adapt to the surface attached to the wall or furniture surface.
& nbsp; & nbsp; 8 core RJ45 wiring standards, in line with ISDN standards.
& nbsp; & nbsp; at the same time, the work area outlet has six characteristics:
& nbsp; & nbsp; a) with built-in dust-proof doors, dust, moisture;
& nbsp; & nbsp; b) with an easily recognizable logo, the user can graphic above mark successfully identify a category of data signals;
& nbsp; & nbsp; c) with tie wire holes to secure the cable;
& nbsp; & nbsp; d) through-hole technology to ensure transmission without damage;
& nbsp; & nbsp; e) color module, different colors represent different functions, to quickly identify the different applications;
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& nbsp; & nbsp; four or more integrated wiring with traditional wiring
& nbsp; & nbsp; the traditional concept of wiring
& nbsp; & nbsp; traditional cabling Information, TV and more have been strong in civil engineering design consideration, consider only the most weak part of the phone and the computer system is not considered a column range. Often to the establishment of a computer system, consider wiring problems, which lead to secondary and even multiple construction. The different materials used in computer networking vendors vary, for expansion of the interconnected system, different systems brought great restrictions.
& nbsp; & nbsp; because the computer system is often used open wire ways to make the office environment is extremely confusing, reducing computer system stability, but also the maintenance and management extremely difficult. An enterprise often equipped with a very large information department, responsible for normal operation of the guarantee system.
& nbsp; & nbsp; To make the wiring system in the building has been unified, the American Electronics Industry Association (EIA) has developed standards for commercial building wiring, that EIA / TIA 568 and 569 and other relevant standards. The standard for the following aspects to develop the appropriate specifications:
& nbsp; & nbsp; commercial building cable laying system structure: mainly refers to the information systems required for the cable system.
& nbsp; & nbsp; define the function and structure of each subsystem cabling system.
& nbsp; & nbsp; define performance materials and devices used in various subsystems, such as attenuation, transmission distance, noise and signal crosstalk.
& nbsp; & nbsp; provides each subsystem laying the consumer and the relationship between design and architecture.
& nbsp; & nbsp; a structured cabling system, will mean:
& nbsp; & nbsp; * Reduced maintenance costs
& nbsp; & nbsp; * network cabling system can be carried out at any design level
& nbsp; & nbsp; * relocation or relocation of equipment can in the limited time to complete, and cost very little
& nbsp; & nbsp; * modular design system architecture, so that future technology updates and application expansion susceptible to