Planners, designers and operation engineers focusing on metro networks, fiber to the antenna, mobile backhauls and data center interconnects and other long distance networks will benefit the most from this course. Everything you always wanted to know about optical. The optical elements used in such networks are only passive components, such as fibers, splitterscouplers and connectors. Telecommunications infrastructure standard for data centers. The connection between the optical network terminal at the customers premises and the equipment at the providers central office is called an optical distribution network odn. This central section, made of silica or doped silica, is the light transmitting region of the fiber. Introduction to optical networks 16 optical communication systems and networks optical side of the network electrical side of the network doublefiber ring feeder network local office optical electronode optical conversion internet ptsn optical node singlefiber ring distribution network local office headend office olt. In premises applications, fiber optic cables can be used as the backbone cabling in a standard structured cabling network, connecting network hardware in the computer roommain cross connect. Optical networking technology is well suited to meet the above challenges. P a s sive optic al n et works contents introduction motivation optical access networks passive optical networks pon. This architecture is calledcentralized fiber optic cabling. Given the increasing age of many industrial distributed systems and the dynamic industrial manufacturing market, intelligent and lowcost industrial automation systems are. This tutorial provides details why carriers are deploying ftth today, while detailing the. Decibeldb a unit of measurement of optical power that indicates relative power on a logarithmic scale.
This tutorial is intended to make you comfortable in getting started with fiber to the. As with the location of optical components, this decision has large implications for the network. An introduction to distributed optical fibre sensors series. This tutorial will address all of these questions and explain the technologies, architectures, and market trends for emerging optical networks. Acknowledgements the ftth handbook has been produced by the ftth council europe and draws heavily on the expertise of its member companies. We can do go into more into technical depth for next plenary if needed national cable television association 2014 conference technical paper. Given the increasing age of many industrial distributed systems and the dynamic industrial manufacturing market, intelligent and lowcost industrial automation systems are required to improve.
Type b protection in gpon ftth access network, the olt send and receive traffic through. By attending this tutorial, attendees will gain an understanding of the following. Fiber optic training certified optical network training. A passive optical network pon is a pointtomultipoint. These are loosetube, which are used in many outside plants, duct, directburied applications, and tightbuffered, which are primarily used inside buildings.
Mapping between ip addresses and network physical addresses. Optical networking today is hampered by the unavailability of highperformance lowcost optical components. Today in north america, there are two basic cable designs that are used for designing fiber optic networks. With this foundation fiber optic training course, gain indepth knowledge of single channel fiber optic networks, cwdm and dwdm networks. Fiber cleaving is the fastest way to achieve a mirrorflat fiber end it takes only seconds. Basics of fiber optics mark curranbrian shirk fiber optics, which is the science of light transmission through very fine glass or plastic fibers, continues to be used in more and more applications due to its inherent advantages over copper conductors. Optical networks tutorial pdf version quick guide resources job search discussion optical networks are telecommunications network of high capacity. Developing lowcost methods for fabricating large optical switches and tunable lasers is key to the realization of the alloptical. The propagation of uncertainty tutorial illustrates the use of the sensitivity method and the monte carlo method to evaluate the uncertainty in predictions for linear and.
Ftth is simply the 100% deployment of optical fiber in the access network. Core the center of the optical fiber through which light is transmitted. Optical splitters are installed in each optical network between the pon optical line terminal olt and the optical network terminals onts that the olt serves. As we known, the core of most current operator networks is the asynchronous digital hierarchy synchronous optical network sdhsonet, which has always offered good fault management, performance monitoring, predictable latency, a protection mechanism and, of course, synchronization. It will teach you the main ideas of how to use keras and supervisely for this problem. Our fbk3 and fk11 fiber optic cleavers make the process. Odn optical distribution network an odn realizes the optical transmission from the olt towards the users and vice versa. Pon consists of optical line terminal olt, optical network unit onu and optical distribution networkodn. Network layerprovides the same functionality as the physical, the data link and network layers in the osi model.
An olt is the service provider endpoint of a pon and is placed in a co or head end. In passive optical network pon, optical splitters play an important role in fiber to the home ftth networks by allowing a single pon interface to be shared among many subscribers. They are based on optical technologies and components, and are used to route, groom, and restore wavelength levels and wavelengthbased services. In this chapter, let us understand what split ratios, maximum reach and traffic management are in the optical distribution network odn. The purpose of this article is to provide the nontechnical reader with an overview of. In an optimized fiber optic network,cables go directly to the work area with only passive connections in the links. How to design your ftth network splitting level and ratio.
This guide is for anyone who is interested in using deep learning for text recognition in images but has no idea where to start. Optical network elements support ondemand provisioning of connectivity and capacity where required in the network, thus permitting the construction of thin, but. Ethernet passive optical network epon a tutorial satelinet. When configuring an optical distribution frame odf, one of the first considerations is the decision between interconnect and crossconnect systems.
Looking for telcos, fttx, photonics, access control and transportation supplier for your business. Understanding fiber to the premises fttp fiber optic. Since the network adapter and switch are backward compatible, the data rate of supported dac should no higher than connected two devices on each end. Olt optical line termination an olt is the service provider endpoint of a pon and is placed in a co or head end ont optical network termination. A central office distributes an optical signal over an optical distribution network odn. Pdf a green open access optical distribution network with. As it is obvious from figure 5 the ftth system comprises the optical line terminal olt on the central office co, the optical network terminal ont on the user side, and the. A survey of clock distribution techniques including. The access network may be further divided between feeder plant or distribution network, and drop plant or edge network.
A passive optical network that distributes an optical signal from the. Pdf this paper proposes an optical distribution network odn architecture for. Mesh optical network ipmpls subnetwork control path data path uni uni ipmpls subnetwork fig. The ofdus cabinet is based on universal optical distribution frames. It can also work as a protective device to protect fiber optic connections from damage. In this architecture, each fiber leaving the central office goes to exactly one customer. An access network is a type of telecommunications network which connects subscribers to their immediate service provider. Cable designs for fiber optic networks fiber optic tutorial. This tutorial is a gentle introduction to building modern text recognition system using deep learning in 15 minutes. Requirements for new fiber optic networks bit rate transparency protocol transparency 3. Design and implementation of a fiber to the home ftth access network based on gpon.
The odn, an integral part of the pon system, resides as the physical path for optical transmission between the olt and the ont. The propagation of uncertainty tutorial illustrates the use of the sensitivity method and the monte carlo method to evaluate the uncertainty in predictions for linear and nonlinear models. Optical distribution network odn is an indispensable path for transmitting passive optical network pon data and directly affects the performance, reliability, and scalability of a pon system. Understanding fiber to the premises fttp fiber optic tutorial. An optical fiber is made of 3 concentric layers see figure 3. Gigabit passive optical network gpon will be evaluated in order to obtain an. Pon consists of optical line terminal olt, optical network unit onu and optical distribution network odn. Purpose of this tutorial why talk about optical networking. When the links are optical fiber optical network but the signal might go through eo and oe conversion. An overview of gpon in thean overview of gpon in the. Introduction as we known, the core of most current operator networks is the asynchronous digital hierarchy synchronous optical network sdhsonet, which has always offered good fault management, performance monitoring, predictable latency, a protection mechanism and, of course, synchronization. A tutorial is presented discussing the basic issues associated with propagation of uncertainty analysis and statistical validation of engineering and scientific models. Pdf design and implementation of a fiber to the home ftth. Design and implementation of a fiber to the home ftth.
Data link layer layer 2 the protocols of layer 2 specify how the frames eventually have to. Connecting the pop to the distribution point via the optical cable and then from the. Telecommunications infrastructure standard for data centers draft 2. The ofdus provides splicing, storage and protection of up to 288. Fiber to the premises uses fiberoptic cables and associated optical electronics instead of copper wire to connect a customer to a network. Optical line terminal optical network unit passive optical splitter pstn internet iptv onu onu pon is a kind of passive optical network featuring onetomultiplepoint architecture. A survey of clock distribution techniques including optical. Industrial networks have been promoted increasingly by emerging technologies such as industrial wireless communication technologies, industrial internet of things iiot, cloud computing, big data, etc. E p o c introduction epoc epon protocol over coax this tutorial overview can be viewed as a part 1. An optical switching architecture for data center networks with unprecedented flexibility kai chen. In case of conflict between the material contained in the tutorial and the material of the relevant recommendation the latter always prevails. Network interface device nid this device is also called as either an optical network terminal ont or an optical network unit onu. Ftth tutorial pdf version quick guide resources job search discussion more commonly known as future proof, fiber to the home ftth is a new technology to deliver a communication signal over optical fiber. Atutorialonopticalnetworks nc state computer science.
This tutorial is divided into distinct chapters, which explains the structural features. Tutorials of fiber optic products here you can find the. Tutorial next generation optical access technologies. Whether you are a manager, engineer or technician involved with the deployment of fiber optic infrastructure, designing, planning or maintaining of optical communication networks, you will require some fiber optic training or optical network training.
Northwestern university, yuiuc, znec labs america, inc. The maximum permissible optical power attenuation between olt optical ports to ont input is 28db, which is by utilizing the socalled class b optical network. As one of the original inventors of the optical fibre distributed temperature sensor dts in the 1980s and with the subsequent years working continuously in the field of optical fibre sensors, the author is well placed to write this comprehensive and modern introduction to the field. The internet as an industry is largely based around fiber.
All optical fibers have a physical limitation known as stimulated brillouin scattering sbs sbs occurs when a high power optical signal over relatively long length 8km fiber generates variations in the fibers optical properties and scatters optical signals in the reverse direction. Capabilities of optical sensing systems and their potential for field deployable. The maximum permissible optical power attenuation between olt optical ports to ont input is 28db, which is by utilizing the socalled class b optical network elements. These technologies do not provide for the inherent capability of a ftth network. Telecommunications infrastructure standard for data centers 802. Dispersion the spreading of a pulse in an optical waveguide thataffects bandwidth. Pon is a kind of passive optical network featuring onetomultiplepoint architecture. Distribution point symmetrical bandwidth ngpon2 olt ngpon2 olt 4010 g.
About the tutorial more commonly known as future proof, fiber to the home ftth is a new technology to. An odn realizes the optical transmission from the olt towards the users and vice versa. As with the location of optical components, this decision has large implications for the networks future. The fiber connections like splicing joint, fiber optic connectors are actually really sensitive in the whole transmission network and is directly related to the stability and reliability of the network. Optical networks are telecommunications network of high capacity. Jan 07, 2014 the connection between the optical network terminal at the customers premises and the equipment at the providers central office is called an optical distribution network odn. Olt to the pon port of ont come under optical distribution network. Basic of optical distribution frame odf tutorials of. The optical line terminal olt resides in the co, connecting the optical access network to an ip, atm, or sonet backbone. An introduction to distributed optical fibre sensors.
Latest deep learning ocr with keras and supervisely in 15. The proposed connection will be from the olt to access point fiber access terminal distribution box fat. Distribution cables intermediate link between the feeder cable and the drop cable. Everything you always wanted to know about optical networking but were afraid to ask 1 richard a steenbergen nanog 57 february 20.
The simplest optical distribution network is called home run fiber. Basic of optical distribution frame odf fs community. At the end of this network, optical network terminals onts will convert the optical signal into an electrical signal. Design and implementation of a practical ftth network. Normally, splitter and odffdms come under this category. Since the network adapter and switch are backward compatible, the data rate of supported dac should no higher than connected two devices on each. A comprehensive survey akhilesh thyagaturu, anu mercian, michael p. Pdfindustrial sensors and controls in communication.
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