Gpon olt block diagram software

Ftth system with gepon access architecture synopsys. The olt and onu of the 10gepon system have the features 1 through 3 described below. Gpon is a fully optical architecture consisting of an optical line terminal olt. Gpon interoperability is the ability of making ftth gpon olt systems and residential gateway, which comes from different service providers and vendors, to work. Me4605 olt installation and configuration guide cisco. Gigabit passive optical network gpon is a high bandwidth shared fiber access technology. Gpon ont soc device family software, pas740x gpon ont soc product brief 5. The gpon optical line terminal olt is typically installed in a central office co, though it could be installed elsewhere. Physical layer testing of passive optical network pon. Cord platform central office rearchitected as a datacenter.

Gpon doctor olte is an ftth gpon olt emulator, behaves like a normal olt and as such is the termination point of the pon. The temperaturehardened design allows service providers to install olt2406 series in street cabinets to provide services for more subscribers. Block diagram pas740x gpon ont soc device family software. As shown in the following image, it comprises of optical line terminal olt, optical network unit and passive optical splitter. At the time of writing 20171q2018 this specification targets to define mainstream devices fitting most gpon olt use cases. Gpon gigabit passive optical networks is an optical system for the access networks, based on itut specifications g. A gpon network consists of a number of optical network terminalsunits ontonuwhich are typically installed at the subscribers premises and a controller, called the optical line terminal olt, installed in the central office. Gpon transmitter uses dfb laser with 8 dbm power and a wavelength of 1490 nm. Block diagram of pon monitoring system figure 4 shows the block diagram of passive optical network pon. How gpon works gigabyte passive optical network gpon. Components and architecture of gpon ftth access network.

Conceptdraw diagram block diagram software offers the block diagrams solution from the diagrams area. This information is sampled by the olt cpu on a periodic basis. Block diagram of olt and onu prototypes download scientific. With a tree topology, gpon maximizes the coverage with minimum network splits, thus reducing optical power. Ftth gpon gpon gigabit passive optical networks is an optical system for. The following diagram shows the architecture of a basic two wavelength gpon network architecture, which is probably the most common implementation. The olt takes in all of the optical signals in the form of beams of light from onus and will convert it to an electrical signal. This silicon provides low cost, latency, and power. The ltp8x central office node terminal is designed to provide broadband access over a passive optical network pon. Small sparks can occur when sending electric potentials down a metal medium, these small sparks have the potential to cause shortages. Gpon editable network diagram template on creately. Gpon network consists of mainly two active transmission equipments, namely optical line termination olt and optical network unit onu or optical network termination ont.

The secondgeneration gpon ont optical network terminator, gateway, and olt optical line. The pas5211 chip integrates gpon media access control mac functions, gpon. The block diagram below gives a good idea of how gpon works in a typical hotel. Gpon network diagram use createlys easy online diagram editor to edit this diagram, collaborate with others and export results to multiple image formats.

In general, olt equipment contains rack, csm control and switch module, elm epon link module, pon. The cord central office rearchitected as a datacenter platform leverages sdn, nfv and cloud technologies to build agile datacenters for the network edge. Development of next generation optical access systems. A 10gepon optical line terminal for replacing 1gepon. Passive optical network pon access architecture is the accepted choice of tripleplay voice, video, and data service delivery from service providers to the end users in ftth fibertothehome access networks. Optical line terminal olt olt a equipment integrating l2l3 switch function in gepon system. Much fewer olts are required as a single olt module can support hundreds of homes. At the time of writing 20171q2018 this specification targets to define mainstream devices fitting most gpon olt. By using gpon fiber optic cables, this will eliminate that hazard due to no current being transmitted. This document describes the technical specifications of an open gpon optical line termination system. The gpon olt satisfies the demand of access network and enterprise network. Consuming openflow and netconf from the open gpon line card and from other elements, the next layer in the software stack is an openflow controller. The onts are connected to the other end of the odn. The modulation process uses a machzehnder external modulator with nrz coding and bpon 2005 2010 2015 epon ngpon pon gpon xgpon apon capa c ity years hybrid of gpon and xgpon for splitting ratio of 1.

D1210, minjie plaza, huangpu, guangzhou, guangdong, china. Components and architecture of gpon ftth access network fs. Gpon can transport not only ethernet, but also atm and tdm pstn, isdn, e1 and e3 traffic. Here we consider typical gepon ftth design for downlink with 16 subscribers and 20km reach. Alquzwini college of engineering, alnahrain university, baghdad, iraq abstract this paper presents a step by step design and field implementation of a protected gpon ftth access network serving users. The downstream wavelength is 1490nm and transmits data at 2. Oam of gpon link with up to 128 onts per gpon channel product overview the pas5211 is a fourport gigabit pon optical line terminal olt systemonchip soc dedicated for use in a gigabit passive optical network itut g. The first part is odn interface function and the part is pon tc function. An overview of gpon in thean overview of gpon in the access. Gpon ont block diagram datasheet, cross reference, circuit and application. Ftth quick guide for the access of network technologies, there are normally two ways i. An optical line termination olt device is installed in the central office co, and an optical network termination.

Block diagram software with block diagrams solution its a powerful drawing tools. Gpon fundamentals technical team from ftth marketing department 2. This abstraction is then plugged into the southbound side of an openflow agent and configuration management block, and that software. Coherent udwdm pon with joint subcarrier reception at olt. The ont bridging family equipment is certified by bbf. The acquisition time, biterror ratio, and jitter tolerance all support gpon.

Gpon block diagram gpon gpon ont block diagram gpon omci block diagram gpon mac block diagram olt block diagram gpon txc07034 gpon olt serdes gpon soc text. Design and implementation of a fiber to the home ftth access network based on gpon mahmoud m. Aligner for gpon olt applications the max3634 burstmode clock phase aligner cpa is designed specifically for 622mbps or 1244mbps gpon itu g. The unique reflection spectrum from fiber bragg grating fbg that is located in each optical network unit onu is manipulated in order to detect the fault network. The case for distributed gpon architecture gpon in the cloud introduction. Rf video overlay at 54870 mhz is supported on a gpon as a third wavelength at 1550 nm using outboard amplifiers and wavelength combiners. In a pon, the active optoelectronics are situated on either ends of the passive network. Overview of optical access network analysis of gpon standards contents gpon key technologies gpon management and service provisioning basic concepts of pon basic services over gpon network 3. The pas5211 is a fourport gigabit pon optical line terminal olt systemonchip soc dedicated for use in a gigabit passive optical network itut g. The ont bridging family equipment complies with itut g. Based on the mapping scheme, service traffic is carried to different gem ports and then to different tconts. Physical control block downstream pcbd payload allocid start end allocid start end 1 100 200 2 300 500 tcont1 ont 1 tcont 2 ont 2 slot 100 slot 200 slot 300 slot 500 plou ploamu plsu dbru x payload x dbru y payload y upstream bandwidth map 125us downstream framing upstream framing gpon frame structure olt ont 1 ont 64. It is connected to the odn optical distribution network.

Xgs pon olt xfp 20km optical transceiver gntx27299xscd features hotpluggable xfp form factor compliant with itut xgs pon and g. The incoming outdoor fiber cable of 24 core is spliced via a 24 port feeder patcpanel and connected to the olt device to provide gpon. Gpon schematics triplexer nc7wz04p6x fr4 prepreg epon onu max3747 max3872 1550nm transmitter circuit diagram. The existence of powerful software for their design is an excellent news. The upstream wavelength is 10nm and transmits data at 1. Passive fiber access architectures gpon optimize the ftth business model by leveraging the high subscriber density allowed by passive splits as high as 64 users per pon or olt port. The pas5211 chip integrates gpon media access control mac functions, gpon protocol management. This example demonstrates an optsim design for ftth gepon link. Fiber to the home ftth technology is evolving rapidly. Pon tc function includes oam, media access control, framing, dba, delineation of protocol data unit pdu for the crossconnect function, and. Gpon doctor olt e is an ftth gpon olt emulator, behaves like a normal olt and as such is the termination point of the pon.

In this post, we are going to introduce the abc of pon which mainly involves the basic components and related technology, including olt, ont, onu and odn. Integrating multiple open source projects, cord delivers a cloudnative, open, programmable, agile platform for network operators to create innovative services. Pmcsierra is shipping new gpon gigabit ethernet passive optical. Download scientific diagram block diagram of olt and onu prototypes from. The pas740x devices are optimized for building a highperformance, extremely low power and low cost gpon ont in single family unit sfu, multiple dwelling unit mdu, or similar configurations. Cdata epon olt series provide ems cli and web management, support customized software and variety of epon onu management. The following illustration shows the typical olt functional block diagram. Access to the transport network of the provider is realized through 10 gigabit and combo gigabit uplink interfaces. In gpon, the transceiver in the ont is the physical connection between the customer premises and the central office olt. Design and implementation of a fiber to the home ftth access. Functional block diagram, aligner for gpon olt applications the max3634 burstmode clock phase aligner cpa is designed specifically for 622mbps or 1244mbps gpon itu g.

The pas740x device family is microsemis second generation gpon ont systemonachip soc device family, dedicated for use in gpon itut g. Spark hazards are always a possibility when using a metal cable to transmit signal. Olt ltp8x central office node terminal gpon optokon a. Its main characteristic is the use of passive splitters in the fiber distribution network, enabling one single feeding fiber from the providers central office to serve multiple homes and small businesses. A gpon network consists of olt optical line terminals, onu optical network unit, and a splitter. The microprocessor software monitors the lasers working state, the vfd screen displays the operating parameters. Hfrd10 622mbps 1244mbps 27mil 12mil 50mil 15mil gpon block diagram u24 gpon gpon ont block diagram olt block diagram gpon gpon olt block diagram max3747 max3872 oc24 epon onu. Cdata gpon olt fully complies with the standards of itut and fasn.

In particular, gpon gigabit passive optical network currently offers the highest speeds and broad feature sets required to offer high quality and fast triple play services. Voice, video, and data traffic must all be delivered across the single gpon downstream wavelength. Once the laser operating parameters deviate from the permissible range set by the software. Tm diplomat ontg product brief gpon ont mdumtu systemonchip soc the diplomatontg mdu, block diagram diplomatontg ddr2 sdram sfusbu. The gpon line card supports the split ratio up to 1. The case for distributed gpon architecture gpon in the cloud. Gpon technology diagram show pointtomultipoint access mechanism. 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. Gpon network consists of mainly two active transmission equipments, namely optical line termination olt. Pon is passive optical network featured with onetomultiplepoint architecture. Enhanced security in passive optical networks using wdm pon. Gigabit passive optical networking gpon speech and software. Iptv functions in the total access 5000 and the gpon olt access module provide igmp signaling and multicast replication functions. Figure 5 block diagram of clock distribution using pon clock differential timing in figure 4, fpga1 acts as a frequencyphase comparator between the reference clock and the gpon clock, constantly monitoring and updating their frequency and phase relationship.

Gpon planning software system for telecoms ims vc4. Vsolution focuses on gpon olt device research, development, production and sales. Design and implementation of a fiber to the home ftth. There are several technologies that provide fiber to the home, where passive optical networks pons are generally. Optical transceiver modules for gigabit ethernet pon ftth system 3. A nice facet of gpon for ip video support is that its downstream is naturally a broadcast medium, and it is very efficient for delivering multicast traffic. Our products include 8 pon gpon olt, it supports 10ge uplink,igmp snooping, rstp, loop detection. The pas5211 chip integrates gpon media access control mac functions, gpon protocol management, ieee 802. A pon reduces the amount of fiber and central office equipment required compared with pointtopoint architectures. 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. An overview of gpon in thean overview of gpon in the access network jttjoe trost november 14, 2008 agenda access networks the last mile definition trends pons revenue split history and projections characteristics of a pon terminology and architecture pons and fttx pon implementations apon and bpon gpon. Functional block diagram we have a 12u wallmount rack at the main telecom room on the basement of the building. Optical transceiver modules for gigabit ethernet pon ftth. The open gpon line card is a phyless design with the sfp connections directly attaching to the xaui and serdes interfaces of the pmcsierra pas5211 gpon soc for olt.

The gpon optical line terminal olt is typically installed in a central. Components and architecture of gpon ftth access network pon passive optical network based ftth access network is a pointtomultipoint, fiber to the premises network architecture in which. Oct 30, 20 gpon interoperability brief introduction iot definition iot, interoperability testing, the process of testing to determine the interoperability of a software product. The gponolt, which has been designed for high scalability, flexibility and. Pon olt sfp type features 1fiber bidirectional transmission by wdm. In the pon system, the olt installed on the telecommunication office central office is connected to the onu. A centralized gpon olt system can aggregate user traffic from a large number of ontsonus. The mapping between the gem port and the tcont is flexible. Gpon interfaces are used to connect to the passive optical distribution network pon. Creately diagrams can be exported and added to word, ppt powerpoint, excel, visio or any other document. Functional block diagram, aligner for gpon olt applications the max3634 burstmode clock phase aligner cpa is designed specifically for 622mbps or 1244mbps. Block diagrams of the system are shown in figure 5 and figure 6.