A passive optical network shares fiber optic strands for portions of the network. Also passive optical splitters which connects olt and onu. Physical layer testing of passive optical network pon. Fiber to the home can use a passive optical network. Flattening the last mile access ieee comsoc pocket guides to communications technologies. Ethernet passive optical networks definition ethernet passive optical networks epon are an emerging access network technology that provides a lowcost method of deploying optical access lines between a carriers central office co and a customer site. Eponethernet passive optical networkoptical communication. The quality of service can be obtained by introducing a priority using dedicated to ethernet, a zone indicating the priority of the frame. Epon is one type of fiberbased ethernet access, using a passive optical 1. Single fiber either in a ring or tree technology is shared, this highcost capital deployment of fiber for several kilometers is lower than if the carrier were to deploy. A passive optical network consists of an optical line terminal olt at the service providers central office hub and a number of optical network units onus or optical network terminals onts, near end users. Barry kantner as the telecom markets begin to recover, many network operators are focusing on broadband access technologies. Physical layer testing of passive optical network pon modules.
A pon is a pointtomultipoint optical network with no active elements in. Also explore the seminar topics paper on ethernet passive optical networks with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year computer science engineering or cse students for the year 2015 2016. Comparison between active and passive optical network fiber. An alloptical fiberoptic switching device that maintains the signal as. A pon system can be fibertothecurb fttc, fibertothebuilding fttb or fibertothehome ftth. Lanscape passive optical lan solution cornings lanscape passive optical lan pol solution is an alternative backbone technology that replaces traditional ethernet network aggregation electronics and copper cables with passive optical splitters and singlemode fibre.
Flattening the last mile access ieee comsoc pocket guides to communications technologies weinstein, stephen b. The use of forward error correction fec codes in future deployments of access networks is quite foreseeable and requires an analysis of the proper code for this. Gpons passive optical network delivers a much higher bandwidth capacity than traditional networks, with speeds capable of exceeding the maximum nbn plan by ten times conservatively. For an active optical network, advantages include interoperability and scalability. The optical path that consists of these components is called the optical distribution network odn. At the co, also referred to as the headend, the publicswitched telephone network pstn and internet services are interfaced with the optical distribution network odn via the optical line terminal olt. Passive optical network pon implements a pointtomultipoint fiberbased access architecture passive fiber splitters are used to split a single optical fiber to serve multiple endpoints, without using dedicated fibers between the hub and customer. In longreach ethernet passive optical networks lrepons, the distance between olt and onus spans over a longer distance up to 100 km and hence longer rtt i. On the passive optical network pon, it is possible to transit atm cells according to the technique developed by the working group fsan full service access network. An ont is an onu used for ftth that includes the user port function. A working group of the institute of electrical and electronics engineers ieee produced. Multiaccess in ethernet passive optical networks epon.
Wave division multiplexing, passive optical networking this brief specifically addresses apon applications and the associated synchronization requirements required for the smooth transmission of realtime services over broadband networks. When pon was first introduced in the 1990s, fiber optic cable and optical transceivers were very expensive. The optical line terminal olt is the heart of the pon network. In telecommunication,this is known as point to multiple points or known as abbreviation p2mp. In japan, ftth fiber to the home net works, in which optical fibers are installed directly to users homes, have. Sep, 2016 besides, aon is a powered network, which decides its less reliable than pon. As time goes by, in order to meet the need for higher bandwidth, faster speed and better utilization of fiber optics, ftth access networks designs have developed rapidly. Passive optical networks asynchronous transfer mode data. Building a nextgeneration optical access network article pdf available in ieee communications magazine 402. Building a next generation optical access network course ceg 790 instructor dr. Both ends of the optical shaft are called olt optical line termination and onu optical network unit. Passive optical networks free download as powerpoint presentation. Passive optical network pon simple, under standardization technology 1 fiber line. For those that are evaluating optical access technologies, the selection will likely come down to pon passive optical networks or active ethernet.
A pon network eliminates the need for switches and a wiring closet, which means fewer points of failure. Technologies and applications of passive optical networks. Passive optical network pon and active optical network aon is a communication type used to transmit data from one point to many connection. With three wavelengths, it is possible to add a downlink channel for broadcast television channels. An ethernet passive optical network epon provides broadband access with a sharedfiber infrastructure and a maintenancefree optical distribution network odn. Telesail not only produces stateoftheart passive optical network components, we also provide expertise, reliable optical communication solutions to meet the needs of a multiple of different industry. However, since the bandwidth in pon is not dedicated to individual users, people who use a passive optical network may find that their system slows down during peak usage times. Explore ethernet passive optical networks with free download of seminar report and ppt in pdf and doc format. This course describes and compares the benefits, components and operation of the three main types of passive optical network bpon, gpon and epon as used in various configurations including fibre to the home ftth and fibre to the cabinet fttc. Passive optical components and their applications to ftth.
The passive optical network techniques are largely anticipated to be the most economical solutions. Network protection and reconfiguration required switching time 5ms 2. Jun 01, 2016 the passive optical network simply describes the fact that optical transmission has no power requirements or active electronic parts when the signal is going through the network. Gigabit passive optical network gpon tdm architecture, 2. A pon system makes it possible to share expensive components for ftth.
Ethernet in the first mile efm refers to using one of the ethernet family of computer network protocols between a telecommunications company and a customers premises. Keywords passive optical networks, access networks, transport technology, virtual private networks, optical access technologies, transport concepts, ethernet, cable networks, wireless access, packet switched networks. A pon reduces the amount of fiber and central office equipment required compared with pointtopoint architectures. In such a case, rtt i will be the dominant factor controlling the packet delay at low. A pon system consists of optical line termination olt at the. Time synchronization over ethernet passive optical networks. Pon benefits pon architecture fiber optic basics pon physical layer pon user plane pon control plane. Passive optical splitters are the key enabling technology for passive optical signal distribution and a significant part of the pon optical fiber plant investment. A pon is a telecommunications network that transmits data over fiber optic lines. Telesail is one of a very few that can deliver both 1g epon and 10g epon,gpon equipment. Therefore, network designers are wise to choose products of high quality and reliability from a trusted manufacturer that offers technical service support and an extended warranty. In this study, we propose the design and analysis of a pon architecture which has an excellent performancetocost ratio. An epon network is a shared network, analogous to hybridfibercoax networks, but with much greater bandwidth 1 gbps.
Gigabit passive optical network gpon optical solutions. A passive optical network pon is a cabling system that uses optical fibers and optical splitters to deliver services to multiple access points. Passive optical network fiber to the x internet protocols. Implementing nextgeneration passive optical network designs with fpgas passive optical network pon technology is emerging as the key access technology, as it has a scalable and costeffective architecture to satisfy the evergrowing bandwidth requirements generated by advanc ed applications such as highdefinition television hdtv. A passive optical network is a form of fiberoptic access network.
Parallel void thread in longreach ethernet passive. A pon consists of an optical line terminal olt at the service providers central. Passive optical network pon is a telecommunications technology that implements a pointtomultipoint architecture 1, 2. Ethernet passive optical networks seminar report and ppt. Epon and gpon are popular versions of passive optical networks pons. Ethernet passive optical network epon ecomputernotes. It should be noted, however, the same concepts apply to all passive optical network. The optical line terminal olt resides in the co, connecting the optical access network to an ip, atm, or sonet backbone. A passive optical network uses optical splitters to route signals, meaning that powered equipment is only needed where the signal originates and is received. The institute of electrical and electronics engineers ieee and the. The network length in this case reached twenty kilometers with 32 stars passive. Powered equipment is required only at the source and receiving ends of the signal. Passive optical network pons do not require any power in the outside plant to power the filters or splitters, thereby lowering the overall operational cost and complexity.
In japan, ftth fiber to the home net works, in which optical fibers are installed directly to users homes, have been so popular that the number of contrac. A passive optical network pon is a fiberoptic telecommunications technology for delivering broadband network access to endcustomers. Comparison between active and passive optical network. Pons minimize the amount of optical transceivers, central office terminations, and fiber deployment. Basepx10 defined in clause 60 added by ieee std 802. Optical fiber communication has brought us a new in ternet society. Using single mode fiber, the olt connects to passive optical splitters, which replace the switch in the closet and require no power. An olt provides the networkside interface of the oan and is connected to one or more odns. The central office co endpoint is the optical line terminal olt, and the sub. Each type of optical network has its own advantages and disadvantages. In some cases, ftth systems may combine elements of both passive and active architectures to form a hybrid system. Its main characteristic is the use of passive splitters in the fiber distribution network, enabling one single feeding fiber from the provider to serve multiple homes and small businesses. It is passive since it uses unpowered splitters to route data sent from a central location to multiple destinations.
The passive optical network simply describes the fact that optical transmission has no power requirements or active electronic parts when the signal is going through the network. The wavelength division multiplexing passive optical network wdmpon has been known as the utmost advanced technology with high security, guaranteed qos, transparent protocol and so on. Gpon is the highest speed, longest life, lowest cost network infrastructure available in the market. Point to multipoint ethernet passive optical network. Although pon has garnered a lot of attention, there are several tradeoffs that potential buyers should fully understand. Epon systems are a highly attractive access solution because of cost and performance. The cabling has a longer life, longer reach, is less susceptible to interference, and has faster connector solutions. The 3m passive optical lan solutions pols offers a complete endtoend fiber solution. A passive optical network pon is a technology viewed by many as an attractive solution to this problem. Bin wang presenter ram iyer a slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Optical fiber, passive optical network, fttx, point to point, point to multipoint, wdm, simulation.
Optimum balance of bandwidth and logic to reduce component bom by a factor of three. From the equipment room to the work area and everywhere in between, we offer plugandplay connectivity, high reliability and low cost of ownership. Passive optical network pon is a technology viewed by many as an attractive solution to the first mile problem 4, 5. Physical layer testing of passive optical network pon modules application note introduction a passive optical network pon1 is an access technology based on the specification developed by the full service access network fsan vendor consortium. A pon is a fiber network that only uses fiber and passive components like splitters and combiners rather than active components like amplifiers. Active optical networking real estate developers wonder by bill zakowski amedia networks multi dwelling unit multi tennant unit mdumtu owners understand that networking a new development from the start is a relatively inexpensive method to significantly boost property value.
Implementing nextgeneration passive optical network. Passive optical networks asynchronous transfer mode. From the customers point of view it is their first mile, although from the access networks point of view it is known as the last mile. Pdf forward error correction in 10 gbitss ethernet. All optical networking circuit switching wdm networks, oadms. Whats the difference between epon and gpon optical fiber.