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The future development trend of indoor optical cable
Release time:
2018-10-11 14:20
As scaled organizations increasingly feel the need to adopt more generic protocols in their work, the pace of alliances between countries and international organizations has been accelerated by the proliferation of new technologies (such as enhanced Category 5 and Category 6 cables, Gigabit Ethernet, continuously advanced field testers, fire-resistant cables, etc.). Scaling has more participants, such as the International Organization for Scaling (ISO), and the cooperation between them is becoming more and more harmonious. This cooperation has led to a deeper understanding of certain viewpoints, which affect the technical specifications including cables and devices. For example, far-end crosstalk and other phenomena have become important indicators of transmission performance (ADSS cable)
We now have the Telecommunications Industry Association (TIA), the Electronics Industry Alliance (EIA), and cable scaling organizations to which each country belongs. In fact, now the cable industry has been globalized, based on this fact, whether from the supplier is still from the consumer's point of view, the upcoming introduction of a world-wide cable scale. There will be a "bloody battle" before that, but hopefully the new scale will combine the strengths of the various scales. Gigabit Ethernet is used on some backbone networks. Gigabit Ethernet is growing stronger and stronger, and its application in high-speed optical fiber and copper cable backbone networks and private networks is growing rapidly. In addition, in order to adapt to a wider range of applications, the new generation Ethernet LAN protocol will be transferred to the desktop. This development has been facilitated by the increase in desktop processing power and processing speed, as well as the increase in the demand for rapid response from users across the network. (ADSS fiber optic cable) Gigabit Ethernet (or the implementation of 1000Base-T on copper core cable) can theoretically operate on today's widely installed cable systems, including those that have been widely installed around the world, including the wiring system of high-speed local area networks that have been widely adopted around the world, namely: unshielded (UTP) Category 5 twisted pair. Contrary to easily misleading claims in the marketplace, Gigabit Ethernet is designed to operate in the 100 MHz frequency range. Because the enhanced Category 5 cable can provide higher performance, it will be a better choice in future Gigabit Ethernet installations. The functional scale of the 6 class UTP cable is expected to accelerate the wide application of Gigabit Ethernet in the office. "Compared with 10Base-T, even 100Base-T,1000Base-T has a significant Pentium in network function. Category 6 cables will be more suitable for l000Base-T and 100Base-T Ethernet. Because both TIA and ISO work closely with the IEEE-8022.3 Gigabit Ethernet Committee, backward compatibility with existing systems can be guaranteed. Therefore, both 10Base-T and 100Base-T can run on a 1000Base-T network. The application of 5 types of wires in the home Residential cables will experience a huge development process, the digital revolution will sweep the home electronic equipment. With the emergence of the Internet as a viable home medium, and the gradual shift of workplaces from corporate offices to small home offices, residential cable cabling systems will evolve into high-traffic, high-reliability cabling systems. Most home users can achieve the purpose of receiving education and entertainment through the Internet. By 2002, at least 0.1 billion people worldwide are expected to work from home. Residential/home offices need to connect computers, printers, modems, Ethernet, Integrated Services Digital Network (ISDN), and require high-speed, broadband digital and communication transmission. In order to solve this problem, taking into account the factors of use and function, category 5 UTP cable and related equipment is obviously a more reasonable choice. A virtual home LAN can be established with category 5 cables. Home users only need to plug in any socket in the room to use bandwidth and enjoy any service on the LAN. Now, many major cable manufacturers will be Category 3 cable, Category 5 cable, as well as coaxial cable together, to provide should be home users. 50/125 micron fiber
At present, many ultimate users and manufacturers have transferred their strong interests to 50-125 micron multimode fiber. In North America, the majority of users have adopted 62.5 micron fiber, which has been approved by TIA and is sold in large quantities in the market. Despite this, 50 micron fiber has inherent advantages because it is technically superior and cheaper than 62.5 micron fiber. 62.5/125 micron fiber can be optimized when used with light-emitting diodes. However, studies have shown that when other light sources (such as VCSEL direct cavity surface laser emitters) are used with multimode fibers, 62.5-125 micron fibers sometimes show limitations in their performance, while 50-125 micron multimode fibers do not. In the cable system of the horizontal wiring of the backbone network, more and more 50-125 micron optical cables and supporting equipment are used to replace 62.5/125 micron optical fibers or as a supplement. 50 micron fiber can support Gigabit Ethernet, whether for long or short wavelength light source can transmit more than 500 meters (recommend value). In the United States, traditional sound, video, and security systems will be incorporated into low-voltage cable structures. However, cable installers may find that the process will not be smooth, since all these manufacturers have different cultural backgrounds.
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Oct 11,2018
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