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FAB: Optical access networks
This course describes the use of optical fibre in the access network, the role of the active and passive components of optical access networks and the practical aspects of installing and testing broadband access systems including FTTH, FTTC, FTTdp and FTTB.
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This course is designed for those involved in the installation and maintenance of optical access networks.
An understanding of the basic principles of optical fibre transmission. It is recommended that the PTT course OLA: "Optical fibre principles" is studied before attempting this course.
By the end of this course you will be able to:
- describe the various configurations and role of the components of point to point and point to multipoint links in an optical access network and explain what limits the maximum length of these links.
- describe and compare the capabilities and applications of point to point optical links, and FTTH, FTTB, FTTC and FTTdp broadband connections.
- describe how the structure of, and the materials used in, optical cables depends on the environment in which they are to be installed, giving examples of typical structures of internal and external cables.
- describe the techniques and equipment used to prepare and install optical cables with reference to installation in ducts, overhead suspension, and air blowing in microducts.
- describe the function and typical internal layout of various types of cable termination enclosure.
- describe the topology of an access network providing point to point links to business customers and describe the role of the components of such a network including the various types of optical enclosure.
- describe the role of the passive and active components of a passive optical network delivering FTTH and FTTB services with reference to both single and multiple dwelling unit installations.
- describe the role of the components of a network delivering an FTTC service with reference to the role of the ONU / DSLAM and VDSL splitter in the street cabinet.
- describe the use of optical loss test sets and dual port power meters to check that optical links and passive optical networks meet their power budget requirements.
- describe the principles, characteristics and use of an Optical Time Domain Reflectometer (OTDR) with particular reference to testing a passive optical network.
Number of modules: 8
Approximate study time: 8 hours
Download and view the course specification in Adobe PDF format
Delivery platform requirements:
To access the course, a computer running a browser such as Google Chrome, Safari etc is required. The computer should have Internet access and be running Adobe Flash. A screen resolution of at least 1024x768 is necessary.