T1: A Survival Guide: A Survival Guide
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T1: A Survival Guide: A Survival Guide

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Matthew S. Gast
476 g
231x178x18 mm

Preface. 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. 2. T1 Architectural Overview Telecommunications Puzzle Pieces. 3. Basic Digital Transmission on Telephone Networks Introduction to DS0 Alternate Mark Inversion B8ZS and Clear Channel Capability. 4. Multiplexing and the T-carrier Hierarchy Building the T-carrier Hierarchy with Multiplexing The Original Superframe The Extended Superframe (ESF) Telephone Signaling on T1 Links. 5. Timing, Clocking, and Synchronizationin the T-carrier System A Timing Taxonomy T1 Circuit Timing Slips: When Timing Goes Bad. 6. Mysteries of the CSU/DSU Line Build Out: Moving Between Theory and Practice T1 CSU/DSUs CSU/DSU Configuration Summary of Settings. 7. Connecting the Umbilicus: Getting T1 Connectivity Ordering T1 Installation and Termination Pre-Connection Tasks Trading Packets Post-Connection. 8. High-Level Data Link Control Protocol (HDLC) Introduction to HDLC HDLC Framing Cisco HDLC. 9. PPP Introduction to PPP PPP Logical Link States and State Machines PPP Encapsulation and Framing Link Control Protocol (LCP) PPP Network Control and the IP Control Protocol Configuring PPP. 10. Frame Relay Frame Relay Network Overview The Frame Relay Link Layer Multiprotocol Encapsulation with RFC 1490 The Local Management Interface Configuring Frame Relay. 11. T1 Troubleshooting Basic Troubleshooting Tools and Techniques Troubleshooting Outline Physical Layer Problems Link Layer Problems A. Access Aggregation with cT1 and ISDN PRI B. Multilink PPP C. T1 Performance Monitoring D. SNMP E. Cable Pinouts and Serial Information F. Reference Glossary Index
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.