Get Newnes Data Communications Pocket Book, Fourth Edition PDF

By Steve Winder, Mike Tooley BA; Advanced Technological and Higher National Certificates Kingston University

ISBN-10: 0750652977

ISBN-13: 9780750652971

It really is had 3 revisions because the unique 1997 version; the most recent in 2002. It consistently saves me time, and is incredibly whole. I want they might factor a 2007 variation; the 2002 fabric isn't dated, yet loads of new know-how has turn into normal given that then: WiFi, IPv6, DSL, VoIP, and so forth.

A must-own for each networking expert.

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Extra info for Newnes Data Communications Pocket Book, Fourth Edition (Newnes Pocket Books)

Sample text

Redundancy check A technique used for error detection in which additional bits are added such that it is possible for the receiver to detect the presence of an error in the received data. Remote procedure calls A set of functions that allow applications to communicate with a server. Variables and return values are required to support a client–server architecture. Repeater A signal regenerator. Residual error rate The error rate after error control processes have been applied. 31 Reverse channel A channel which conveys data in the opposite direction.

Submarine cables use optical fibre technology to transmit 160 Gbps over >1000 km. This is achieved using multiple wavelengths and erbiumdoped fibre amplifiers. Optical fibres offer some very significant advantages over conventional waveguides and coaxial cables.

NUL, DEL communication control characters must not be used in defining escape sequences characters which follow SI should be interpreted according to the standard code table characters which follow SO should be interpreted as being outside the standard code table. The meaning of the control characters from columns 0 and 1 are, however, preserved. Notes: 1. Note that DEL, unlike other control characters which occupy columns 0 and 1, is in column 7 (all bits of the code for DEL are set to logic 1) 2.

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Newnes Data Communications Pocket Book, Fourth Edition (Newnes Pocket Books) by Steve Winder, Mike Tooley BA; Advanced Technological and Higher National Certificates Kingston University

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