T1: A Survival Guide by Matthew Gast

T1: A Survival Guide



Download T1: A Survival Guide




T1: A Survival Guide Matthew Gast
Language: English
Page: 128
Format: pdf
ISBN: 0596001274, 9780596001278
Publisher:

Amazon.com Review

The T1 line and its predecessors were developed as long-distance voice trunks, but now they're used almost exclusively as data connections for large and mid-sized organizations. In part because they've been adapted to fill a new role, T1 lines make use of complicated signaling and linking protocols. What's more, T1 technology has a lot to do with the public telephone network, which means most router jockeys and other "data people" lack the background they need to speak intelligently with engineers at T1 providers. T1: A Survival Guide explains leased T1 data circuits for the benefit of the lessee--in other words, for the telephone company's customer. The book is also useful for telco people who want to understand where their clients are coming from when they ask "elementary" questions.

The truth be told, this book probably won't enable organizational network administrators to fix any but the most basic problems with their T1 lines and the Customer Premises Equipment (CPE) associated with them. It is nonetheless a worthwhile read. Matthew Gast, who works on the ever-blurring border between voice and data as an engineer at Nokia, explains how a Channel Service Unit/Data Service Unit (CSU/DSU) works and provides a ton of information about the protocols that communicate data over T1 links (including HDLC, Cisco-enhanced HDLC, PPP, and Frame Relay). Lots and lots of bit diagrams, signal tables, and pictorial representations of networks clarify T1 as much as possible. --David Wall

Topics covered: The T1 line as a high-capacity carrier of digital data, with coverage of multiplexing and other aspects of T1 architecture, as well as High Level Data Link Control Protocol (HDLC), Point-to-Point Protocol (PPP), and Frame Relay. There's excellent coverage of how to order a T1 from a telephone company (as well as how to figure out if you need more than one), and a guide to working with telco engineers during install and troubleshooting.

About the Author

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.

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