There are many broadband Internet access methods. For enterprises, ADSL and optical fiber are currently popular. The full name of ADSL is an asymmetric digital user line. It is a popular broadband Internet access method and a technology that provides broadband data services through copper telephone lines. Optical fiber is short for optical fiber. Optical
In various technical means to achieve broadband access, the optical fiber access network is the most suitable for future development solutions, especially the ATM Passive Optical Network (ATM-PON) it is almost an economical and effective way to integrate broadband access. Outside China, china Southern Bell, France Telecom, British Telecom, CNET, Japan NTT, Germany Telecom, KPN, SwissCom, SBC, Telecom Italia CSELT and other international institutions h
Wiring system in the link floor of the trunk, due to the number of small, currently widely used multimode quartz fiber, and in the horizontal direction, there is not a suitable medium can not only provide enough bandwidth, but also has both a convenient installation, low cost, strong anti-interference ability and so on. The new fiber-optic networks with plastic optical fibers (POF) have all the advantages.
Introduction
In recent years, with the rapid development of Internet and information technology, people on the capacity of communication, transmission rate of higher requirements, now to the basic transmission of the physical layer of the media, in the information high-speed access to the electronic devices, resulting in the so-called "bottleneck", and as the network continues to extend, Anti-electromagnetic interference of the network in special place, anti-radiation, security and confidential
Understanding how Fiber Channel (FC) recognizes domains and new mechanisms for virtualizing Fiber Channel Networks Helps you further understand and study these concepts. Building a storage LAN (SAN) is not difficult-you only need to put things in it-but it is difficult to make it easy to cope with various changes. In this article, we will learn about the fiber ch
Iimax®Solutions has rich experience in optical fiber cabling and LazrSPEED®High-performance products such as TeraSPEEDTM, InstaPATCHTM Plus, and LC connector. After years of research, the IMAX Laboratory analyzed the cost of the complete Optical Fiber System and concluded that the optimization of NM applications on Multi-Mode Optical Fiber enables the most benefi
1. Introduction
To achieve non-blocking communication on the existing 100,000-kilometer high-speed trunk cable network, the operator must first consider how to implement automatic protection of optical transmission physical routes. The optical fiber automatic switch protection system is an automatic monitoring and protection system that integrates monitoring, protection, and management. It is independent of the transmission system and completely built
Introduction
Ethernet Passive Optical Network (EPON) is an Ethernet-based, point-to-point optical fiber access technology. It combines the simplicity of the Ethernet technology and the efficiency of the PON network, it is the best way to achieve fiber-to-user access networks in the future.
Currently, all Protection Switching methods used in the EPON system require redundant PON modules, which are costly an
Fiber routers in Internet cafes have been widely used in various Internet cafes. So I have studied how to select an appropriate fiber routers in Internet cafes. I would like to share with you here, hoping to help you. As an industry that is booming today, the Internet bar industry is moving towards scale, chain-based, and group-based development, and the network bandwidth requirements are getting higher and
The optical fiber access network is worth learning a lot. Here we mainly introduce the current situation and development trend of the access network in China's communication industry, including the TMN status of the access network and the remote network management technology of the optical fiber access network, for your reference only.
I. Current Situation and Development Trend of access networks in China's
placed in floor distribution boxes according to the principle that Splitter is as close as possible to users. Obviously, this ideal layout highlights the inherent advantages of PON, but it will inevitably lead to the following problems: first, high-core optical cables are required from the central data center to the residential area, such as 3000 residential areas, in-16-core computing, nearly 200-core optical fiber cables are required. At present, o
In the SAN storage architecture, the core devices in the fiber channel switch play an important role in the SAN storage process and affect the network performance. Fiber Channel switches provide Fiber Channel switching for high-bandwidth and Low-latency data communication. Currently, fiber channel switches provide conn
Vswitch Optical Fiber ports are divided into many types, and their functions are quite different. Here we will mainly introduce some basic knowledge about common optical fiber ports of vswitches. Cascade uses both common ports and special MDI-II ports. A straight-through cable should be used when the two ports that are cascaded are normal ports (MDI-X) ports and MDI-II ports, respectively. Cross-cable shoul
Vswitch Optical Fiber port cascade connection mode and basic type when the two ports of mutual cascade are common port (that is, MDI-X) port and MDI-II port, should use a straight-through cable. Cross-cable should be used when both ports of mutual cascade are common ports (that is, MDI-X) or both are MDI-II ports. Whether it is 10Base-T Ethernet, 100Base-TX fast Ethernet, or 1000Base-T Gigabit Ethernet, the length of the cable used by the cascade swit
Topic translationSome companies decided to build a faster network called the "Fiber network." They have built many sites around the world, and these sites function like routers. Unfortunately, these companies are arguing about the wiring between the sites, so that the "fiber optic network" project is forced to terminate, leaving behind the lines that each company lays on its own site. Now, Internet service
With the rapid development of communication technology, telecom operators are constantly improving the transmission rate of single channels in WDM systems to meet people's needs for communication bandwidth. At present, a single wavelength WDM System with a transmission rate of 10 Gb/s is under construction, and a WDM System with a transmission rate of 40 Gb/s has entered our field of view.
At the same time as the transmission rate is improved, the communication system performs polarization mode
I. Introduction and background
In recent years, optical fiber communication systems have made great progress to meet the increasing bandwidth requirements.
The main factors limiting the performance of single-mode optical fiber (SMF) systems include attenuation, dispersion, and non-linearity, as well as recently noticed polarization mode dispersion (PMD ).
For a traditional single-mode optical
purchase of vrouters, vswitches, and other network devices is also very important.Internet cafes have diversified network application types and have high requirements on network bandwidth, transmission quality, and network performance. network applications must integrate advanced, multi-service, scalability, and stability, it not only meets customers' needs for simultaneous transmission of voice, video, and data over a broadband network, but also supports a variety of new business data processi
End users, or any user who pays for the network connection failure, will pay attention to a major issue of cable, which is why the cable fails. Any network that uses optical fiber cables, its Optical Fiber Links are crucial to the performance of the entire network. Therefore, it is critical to ensure that the optical cable link is always in the optimal state. To help you understand the causes of Optical
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Introduction
We know that a thread is the most basic unit for program execution. Any program execution depends on the thread execution. A thread is usually a basic component of the operating system. Generally, a thread is created. For example, on Win32, a thread is created using createthread. The operating system actually creates two objects, one is the user-state thread, the other is the kernel-state thread, and our code runs in the user-state thread. When a th
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