FTTX Concepts and Applications (Wiley Series in by Gerd Keiser

By Gerd Keiser

This e-book provides basic passive optical community (PON) suggestions, supplying you with the instruments had to comprehend, layout, and construct those new entry networks. The logical series of subject matters starts off with the underlying rules and elements of optical fiber verbal exchange applied sciences utilized in entry networks. subsequent, the publication progresses from descriptions of PON and fiber-to-the-X (FTTX) possible choices to their program to fiber-to-the-premises (FTTP) networks and, finally, to crucial size and checking out techniques for community deploy and maintenance.An Instructor's guide offering special options to the entire difficulties within the publication is accessible from the Wiley editorial division.

Show description

By Gerd Keiser

This e-book provides basic passive optical community (PON) suggestions, supplying you with the instruments had to comprehend, layout, and construct those new entry networks. The logical series of subject matters starts off with the underlying rules and elements of optical fiber verbal exchange applied sciences utilized in entry networks. subsequent, the publication progresses from descriptions of PON and fiber-to-the-X (FTTX) possible choices to their program to fiber-to-the-premises (FTTP) networks and, finally, to crucial size and checking out techniques for community deploy and maintenance.An Instructor's guide offering special options to the entire difficulties within the publication is accessible from the Wiley editorial division.

Show description

Read Online or Download FTTX Concepts and Applications (Wiley Series in Telecommunications and Signal Processing) PDF

Best imaging systems books

Supervised and unsupervised Pattern Recognition: Feature Extraction and Computational

There are lots of books on neural networks, a few of which covercomputational intelligence, yet none that comprise either function extraction and computational intelligence, as Supervised and Unsupervised development reputation does. This quantity describes the appliance of a singular, unsupervised trend acceptance scheme to the class of varied different types of waveforms and imagesThis mammoth number of contemporary examine starts off with an advent to Neural Networks, classifiers, and have extraction tools.

Database and Data Communication Network Systems, Three-Volume Set: Techniques and Applications

Database and information verbal exchange community platforms examines the usage of the net and native Area/Wide quarter Networks in all components of human recreation. This three-volume set covers, between different themes, database platforms, information compression, database structure, info acquisition, asynchronous move mode (ATM) and the sensible software of those applied sciences.

Control of Color Imaging Systems: Analysis and Design

An entire One-Stop source whereas electronic colour is now the expertise of selection for printers, the data required to deal with the standard and productiveness problems with those units is scattered throughout numerous applied sciences, as is its aiding literature. Bringing jointly info from various fields, regulate of colour Imaging structures: research and layout is the 1st booklet to supply entire assurance of the basics and algorithms of the various disciplines linked to electronic colour printing in one source.

Digital Image Compression Techniques

With the intention to make the most of electronic pictures successfully, particular ideas are had to decrease the variety of bits required for his or her illustration. This instructional textual content presents the foundation for figuring out those snapshot compression tecniques and provides a couple of varied schemes that experience confirmed worthy.

Additional info for FTTX Concepts and Applications (Wiley Series in Telecommunications and Signal Processing)

Example text

FURTHER READING 17 The other option is to run either one bidirectional or two unidirectional fibers from the central office to an Ethernet switch located in the neighborhood of the subscribers. This network layout greatly reduces the number of fibers interfacing to the central office, but now the use of an Ethernet switch requires electrical power in the outside cable plant. Also, in addition to the 32 optical transceivers used for links between the subscribers and the local Ethernet switch, either two or four more optical transceivers are needed for the link running between the central office and the switch.

5. Attenuation and amplification in a transmission path. 4 Examples of Optical Power Levels and Their dBm Equivalents Power dBm Equivalent 20 mW 10 mW 4 mW 2 mW 1 mW 500 μW 250 μW 100 μW 13 10 6 3 0 Ϫ3 Ϫ6 Ϫ10 Power dBm Equivalent 10 μW 1 μW 100 nW 10 nW 1 nW 100 pW 10 pW 1 pW Ϫ20 Ϫ30 Ϫ40 Ϫ50 Ϫ60 Ϫ70 Ϫ80 Ϫ90 An important rule-of-thumb relationship to remember for optical fiber communications is 0 dBm ϭ 1 mW. Therefore, positive values of dBm are greater than 1 mW and negative values are less than this.

Power at point 2 is half that at point 1. 5. Here the signal is attenuated by 14 dB between points 1 and 2. After getting a 15-dB boost from an amplifier at point 3, it is again attenuated by 6 dB between points 3 and 4. Relative to point 1, the signal level in dB at point 4 is decibel level at point 4 ϭ (loss in line 1) ϩ (amplifier gain) ϩ (loss in line 2) ϭ (Ϫ14 dB) ϩ (15 dB) ϩ (Ϫ6 dB) ϭ Ϫ5 dB Thus, the signal experiences a 5-dB loss in power when it travels from point 1 to point 4. 16. Since the decibel is used to refer to ratios or relative units, it gives no indication of the absolute power level.

Download PDF sample

Rated 4.55 of 5 – based on 50 votes