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Design Standards: IEEE802 standard and 100BASE-TX Standard
EIA/TIA568 industrial standards and international business building wiring standards
Ansi fddi/TPDDI 100 Mbps
Ccitt atm 155 Mbps/622 Mbps
Installation and design specifications: China building electrical design code
Industrial Enterprise Communication Design Specifications
General principles of
between manufacturers is poor.
In early 1985, the computer industry association (CCIA) proposed a proposal for building cabling system standardization. The American Association of Electronic Industry (EIA) and the American Telecommunications Industry Association (TIA) began to work on standardization.
In July 1991, ANSI/EIA/TIA568 was published as the telecommunications cabling standard for commercial buil
system.
C. Anti-interference performance of screen substreams
The shielding layer of the shielding system does not reduce the noise of low frequency. at low frequency, the noise of the shielding system is at least the same as that of the non-shielding system. In addition, because of the absence of uniform standards for the shielded 8-core module plug, and the absence of on-site test shielding of effective procedures, people generally do not use shiel
structured cabling systems. At present, the signal processing electronic technology in dealing with foreign crosstalk, compared to other sources of noise, there is no very effective way. The way to suppress this noise is to improve the performance of wiring system, so that the wiring system itself has the ability to restrain noise. The research team is exploring a range of technologies to suppress noise, o
compatibility Standard Series
Part 2: electrostatic discharge (ESD) Immunity Test
Part 3: test the immunity of the radiation field
Part 4: electrical fast transient pulse group (EFT)/burst immunity test
Part 5: Electrical disturbance resistance test
Part 6: conductive field immunity test
Part 8: electrical frequency magnetic field immunity test
The most common LAN hardware and structured cabling radiation
requirements of the published national and international standards, and should be able to evolve and upgrade according to changes in business requirements.
With the great use of computers, people pay more and more attention to the topic of network and wiring. In the past, desktop computers were usually working independently, and now that has changed. At present, more than 50% of the commercial computers are connected to the local area network, they
;
Design and install the Structured Cabling System of the Commercial Building;
Establish and configure performance and technical standards for cabling systems.
This standard basically includes the following:
Minimum requirements for telecom cabling in office environments;
Su
Mastering the knowledge of Structured Cabling solutions is essential for relevant personnel. How to Design the optimal solution is a constant development of the cabling industry, I believe that more optimized solutions will also be available.
Currently, manufacturers of Structured
devices and enables them to share information and resources. Correct design and implementation of a network system can improve the speed and reliability of communication, so that a system can work more efficiently. Network Construction should meet the requirements of published national and international standards, and should be able to continuously evolve and upgrade according to changes in business requirements.
With the extensive use of computers,
Structured CablingFeatures
1. support frequent movement of office environments
2. Support for future staff increase
3. Support for future applications
4. Reduce operation costs
Since the birth of the concept of structured cabling, command signals, control signals, and communication signals have been centrally transmitted through a common
cable ID downloaded to the DSP-4X00 digital cable analyzer, saving time while ensuring data accuracy.◆ External memory cards and more advanced cable test and management software packages are provided at random. The optical fiber test adapter and cable management software provide more application fields.◆ Flexible cable standard download. A scalable structure protects users' investment.
Ii. DSP4X00 upgrade
To support the latest standards, Fluke networ
Summary
As the LAN speed increases, the transmission capability of the cabling system will depend on the outstanding performance of all components in the cable and LAN channels.
End-to-End cabling system manufacturers are not manufacturers of individual components) have obvious advantages in terms of end-to-end channel performance. Obviously, in this case, the excellent design of cables, Jacks, and plugs wi
1.1 wiring product selectionAt present, the world's largest Structured Cabling Manufacturers include the following: LUCENT, AMP, micron on, IBDN, KRONE, IBM and other companies. These companies have their own advantages. All their cabling products comply with the Five-category standards of EIA/TIA 568. The
and gel filling, but these methods are costly and sometimes reduce electrical performance. It is also worth mentioning that these waterproof gel is based on oil and therefore not suitable for indoor use (except for connection points) because of fire hazards. In fact, the distance between these cables in the building is usually restricted by national standards.
In addition, the cable structure also affects the water intake. The low smoke-free halogen
position of the relay wiring room Entrance Closet) is determined based on the nature of the relay line and the method of entry to the building after full contact with the telecommunications department.In the trunk subsystem, 62.5/125 Micron Optical Fiber is used as the backbone of the data link. Each main line of the voice system is equipped with four pairs, which can fully meet the communication requirements of the voice, and can fully meet the communication
In the digital age, you and I will be able to cross the border of the region without leaving home, and go all over the world of information, relying on the ever-changing data transmission technology. A seemingly illusory, hard-to-touch technical concept is closely related to us. The key lies in the structured cabling network in which we are surrounded.Structured Cabling
When determining the installation and supply of bids for the network, the total investment cost of the network owner is a key factor. BecauseStructured CablingThe system network has a service life of at least 15 years, so the network operation cost and upgrade cost will be equal to or greater than the initial investment amount. After the network is installed, adding, removing, and changing devices connected to the network usually requires a large investment.
1. Temporary
The structured Integrated Wiring System provides users with the most reasonable cabling mode, and relies on its high-quality materials to change the traditional wiring, it laid the foundation for a modern building to truly become a smart building without changing communication lines within 15 years.A structured cabling
In the early stage of operation, managers generally stick to the luck of "connecting" and do not pay much attention to the cabling of the data center. As a result, network connection errors are frequently caused, which may also affect energy consumption and heat dissipation, they still don't know why.
With the release of the network transmission standard 10 Gbit/s-T for 100-meter channel transmission. Internationally recognized
military level, followed by industrial level, and the lowest level for commercial use.
In the Integrated Wiring System products, there have been products specifically designed for harsh environments, which are referred to as industrial-level cabling systems in standards. They have the ability to defend against various harsh environments, such as strong electromagnetic fields, oil stains, water, dust, and s
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