Introduction to Integrated Wiring shielding system

Before giving you a detailed introduction to the Integrated Wiring shielding system, let's first understand the differences and connection between the Integrated Wiring shielding system and the non-shielded system, then, we will introduce the advantages and applicability of the Integrated Wiring shielding system. For your reference only.

"The installation is complicated and cannot be fully shielded. It is better to be unshielded ...... these questions about the Integrated Wiring shielding system have pushed the Integrated Wiring shielding system to the edge of "Death. However, users' increasing emphasis on network security brings the Integrated Wiring shielding system back to life, and the development of high-bandwidth applications will also make the shielding system vibrant.

The history of the Integrated Wiring shielding system has gone through the thorns. The debate is nearing the end.

The debate between blocking and non-blocking is that application development has become more calm and quarrel is no longer meaningful. it is wise to focus on how to better meet application needs.

In the field of cabling, the debate on shielding systems and unblocking systems has started since the birth of the shielding system. At one point, the more fierce the quarrel, the focus is on "The Integrated Wiring shielding system needs to be shielded everywhere, in addition to cables, the Jumper panel, connector information port, and distribution frame must also be shielded. Otherwise, it is better not to shield the cables." In order to achieve the so-called everywhere shielding, the product itself is not mentioned, and at that time, it also raised high requirements for installation.

In fact, it is widely believed that this debate is to some extent a debate between the two main factional vendors: U. S. Vendors advocate non-blocking systems, and European vendors advocate blocking systems. "In fact, the debate on the shielding and non-shielding systems for a long time, but one thing to be clear is that the TIA/EIA-568A standard American business building Telecommunications wiring standards) in favor of non-shielding, CENELEC EN50173 standard-wiring standard promulgated by Europe) biased towards shielding is wrong, because both the above standard and the ISO/IEC 11801 international wiring standard, both the shielded and unshielded systems are introduced and standardized. However, due to the difference in consumption concepts, there are more applications to shield systems in Europe ." Schneider Electric's point of view is different. However, the trend is that, as manufacturers develop internationally, the debate between blocking and unblocking will gradually fade in order to meet the needs of more users, most mainstream vendors also provide both shielded and unshielded systems.

Simon's technical staff told reporters that "the debate on Integrated Wiring shielding systems and unshielded systems is no longer meaningful. Integrated Wiring shielding systems are mature and the installation is no longer as complicated as imagined, more and more users need to block the system. We should look at how they meet the needs of different users at the product and application level."

"The industry is currently more active in the overall wiring shielding system, compared with the unshielded System, the Integrated Wiring shielding system has lower insertion loss, better crosstalk, ACR and return loss performance, and better consistency.

When a signal is transmitted over a line at a high frequency, if some measures are not taken, a large number of transmission errors will occur due to external electromagnetic interference and Crosstalk of the cable itself, this reduces system performance. The shielding system can support secure and high-speed data communication in harsh electromagnetic environments, better adapt to the requirements of high-performance applications for network cabling systems, and meet the requirements for network upgrade and expansion in the future." The related staff of Tyco looked at the shielding system in this way.

In fact, in the investigation and interview conducted by reporters, the overall style is the same as those of the above companies. Everyone is generally certain about the Integrated Wiring shielding system. It seems that the debate on blocking and unblocking systems is gradually becoming consistent because of the changes in application development.

Technology is evolving

At the technical level, the development of the shielding system has continued. Will the Integrated Wiring shielding system become the mainstream in the future? Not impossible.

The shielding system is used to ensure the transmission performance of the system in an interference environment. The anti-interference performance includes two aspects: the ability of the system to resist external electromagnetic interference and the ability of the system itself to launch external electromagnetic interference. For the latter, Europe has passed the EMC standard for electromagnetic compatibility testing. Currently, mainstream products can meet this standard. Therefore, in normal environments, the shielding system is mainly used for the former.

The general method of shielding is to pack a metal shielding layer on the outer layer of the connected hardware to filter out unnecessary electromagnetic waves. With the deepening of application requirements, the shielding system itself is also moving forward. On the one hand, it is consistent with the overall development of the Integrated Wiring System, that is, the shielding system has gone through 5 categories, over 5 categories of 100 MHz), 6 categories of 250 MHz), and even 7 categories of 600 MHz). On the other hand, from the aspect of shielding system technology, currently, there are three blocking methods for the shielding system: FTP, S-FTP, and PiMF. PiMF can be called a "independent" shielding method, that is, each line of a cable uses a shield layer separately, and then all lines are shielded by a shield layer ), its performance indicators are higher than the other two shielding methods. The adoption of emerging high-bandwidth services and higher-speed Ethernet standards in the future will make voice, data, and video networks more and more integrated into basic lines, the requirement for high security, high reliability, and high performance of the network is getting higher and higher, and more applications will be available in the future.

With the development of cabling, most users have selected more than five types of systems, and more users have begun to select six types. With the development of video applications, bandwidth requirements are getting higher and higher. When the gigabit network reaches the popularity of the desktop, 7 types of systems will naturally be favored by users. It should be noted that, due to the transmission performance requirements, 7 types of systems must be shielded systems. Does this mean that in the future, blocking systems will become the mainstream in cabling?

In fact, when talking about 7 types of systems, there is naturally "Will Optical Fiber gradually replace the shielding system ?" In this case, the related staff of Tyco analyzed the problem, "although optical fiber has advantages over copper in performance and other aspects, the Integrated Wiring shielding system using optical fiber cables has the best effect, in addition, high bandwidth and transmission rate can be obtained, but the expensive price of optical fiber and the high cost of engineering installation are the problems that users must consider when choosing. At present, the installation cost of seven types of cabling systems launched by many manufacturers is close to that of multimode optical fiber, but the cost of optical fiber network equipment is much higher than that of copper network equipment, this determines that if we compare the overall price, the use of optical fiber will be much more expensive than the copper cable. Therefore, if the price is high, there is still a long way to go to replace the Integrated Wiring shielding system ."

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