If you haven't worked with T1 before, you could be in for an unpleasant surprise. If you have, you'll already know that T1, the current network standard for business and professional Internet access, is neither efficient, easy to use, nor particularly well-suited to data transmission. T1: A Survival Guide, a practical, applied reference on T1 data transport, is a life raft for navigating the shoals of a 40-year-old technology originally designed for AT&T's voice network.Throughout T1's long life, network administrators have mainly learned it by apprenticeship, stumbling on troubleshooting tidbits and filing them away until they were needed again. This book brings together in one reference the information you need to set up, test, and troubleshoot T1.T1: A Survival Guide covers the following broad topics:
What components are needed to build a T1 line, and how those components interact to transmit data effectively
How to use standardized link layer protocols to adapt the T1 physical layer to work with data networks
How to troubleshoot problems and work with the telephone company, equipment manufacturers, and Internet service providers
In spite of its limitations, T1 is a proven, reliable technology that currently meets the need for medium-speed, high reliability Internet access by institutions of many sizes, and it's likely to be around for a while. T1: A Survival Guide will take the guesswork out of using T1 as a data transport.
Chapter 1 History of the U.S. Telephone Network
1876-1950: Analog Beginnings
1951-1970:The Birth of T-carrier
1970-Present:The Modern Telephone Network
Chapter 2 T1 Architectural Overview
Telecommunications Puzzle Pieces
Chapter 3 Basic Digital Transmission on Telephone Networks
Introduction to DS0
Alternate Mark Inversion
B8ZS and Clear Channel Capability
Chapter 4 Multiplexing and the T-carrier Hierarchy
Building the T-carrier Hierarchywith Multiplexing
The Original Superframe
The Extended Superframe (ESF)
Telephone Signaling on T1 Links
Chapter 5 Timing, Clocking,and Synchronization in the T-carrier System
A Timing Taxonomy
T1 Circuit Timing
Slips: When Timing Goes Bad
Chapter 6 Mysteries of theCSU/DSU
Line Build Out: Moving BetweenTheory and Practice
Summary of Settings
Chapter 7 Connecting the Umbilicus: GettingT1 Connectivity
T1 Installation and Termination
Chapter 8 High-Level Data Link Control Protocol (HDLC)
Matthew Gast currently works for an advanced wireless network systems company in the Bay Area. Prior to that, he spent several years as an engineer for a series of network security companies. He is the author of 802.11 Wireless Networks: The Definitive Guide, Network Printing, and T1: A Survival Guide.
Our look is the result of reader comments, our own experimentation, and feedback from distribution channels. Distinctive covers complement our distinctive approach to technical topics, breathing personality and life into potentially dry subjects. The animal on the cover of T1: A Survival Guide is a caribou. Caribou, or reindeer, can be found in the arctic tundra, the mountain tundra, and the northern forests of North America, Russia, and Scandinavia. There are about 5 million caribou in the world, divided into three types: woodland, barren-ground, and Peary. A fourth type native to Canada, called the Queen Charlotte Island caribou, is extinct. One of the reasons the caribou is able to survive the northern climate is because its primary food source is lichen. The caribou's keen sense of smell enables it to find lichen buried under the snow.Caribou are the only members of the deer family in which both sexes grow antlers. Adult bulls shed their antlers around November or December after mating, while cows and young caribou often carry their antlers through the entire winter. During growth, the antlers have a fuzzy covering, or velvet, which contains blood vessels that carry nutrients.In addition to their antlers, caribou have lateral hooves that allow their feet to spread on snow or soft ground. The hooves also act as paddles, making the caribou an excellent swimmer. Linley Dolby was the production editor and copyeditor for T1: A Survival Guide. Rachel Wheeler proofread the book. Nicole Arigo and Claire Cloutier provided quality control. Kimo Carter, Sarah Sherman, Mary Brady, and Sada Preisch provided production support. Lucie Haskins wrote the index.Ellie Volckhausen designed the cover of this book, based on a series design by Edie Freedman. The cover image is from the Illustrated Natural History: Mammalia. Emma Colby produced the cover layout with QuarXPress 4.1 using Adobe's ITC Garamond font.Melanie Wang designed the interior layout based on a series design by Nancy Priest. Neil Walls converted the files from Microsoft Word to FrameMaker 5.5.6 using tools created by Mike Sierra. The text and heading fonts are ITC Garamond Light and Garamond Book; the code font is Constant Willison. The illustrations that appear in the book were produced by Robert Romano and Jessamyn Read using Macromedia FreeHand 9 and Adobe Photoshop 6. This colophon was written by Linley Dolby.
This book is a bit dated now, but still contains a lot of useful information that is hard to find in one place. I've worked in a variety of jobs for a variety of different companies involving IT and have found that many of my co-workers lacked basic knowledge about working with T1 technology. This book lays out both the network side as well as verbiage associated with ordering, provisioning and troubleshooting T1 services. I highly recommend finding a copy of this book.
Bottom Line Yes, I would recommend this to a friend
A good book, really. As a Support Engineer for an ISP, I provision, deliver and troubleshoot Leased Line Circuits on a regular basis. This title takes some of the telco "hoodoo" out of doing so. Speaking for all of us in Europe, I'd very much like for O'Reilly to consider an "E1 Suvival Guide", too.