In this book, Optical Wavelength Division Multiplexing (WDM) is approached from a strictly practical and application-oriented point of view. Based on the characteristics and constraints of modern fiber-optic components, transport systems and fibers, the text provides relevant rules of thumb and practical hints for technology selection, WDM system and link dimensioning, and also for network-related aspects such as wavelength assignment and resilience mechanisms. Actual 10/40 Gb/s WDM systems are considered, and a preview of the upcoming 100 Gb/s systems and technologies for even higher bit rates is given as well.</p> <p> Key features:</p> <ul> <li>Considers WDM from ULH backbone (big picture view) down to PON access (micro view). </li> <li>Includes all major telecom and datacom applications. </li> <li>Provides the relevant background for state-of-the-art and next-gen systems. </li> <li>Offers practical guidelines for system / link engineering. </li> </ul>
Twelve-year-old Dahlia has always lived at Silverton Manor-having spent fifty years as its resident ghost. When Oliver Day and his family show up as house-sitters the day Mrs. Tibbs, a Liberator sent by the Spectral Investigative Council, arrives to teach Dahlia the proper rules for ghosting, Dahlia can't wait to make new friends. But the unscrupulous ghost hunter, Rank Wiley, and the crooked town councilman, Jock Rutabartle, plan to rid Silverton Manor of its ghosts and sell it to the highest bidder. With her home and friendships at stake Dahlia may have to break the rules of ghosting as quickly as she learns them to solve the mystery of her death and save the manor. Equal parts charming and eerie, this ghostly caper hits all the right notes for the middle-grade audience.
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