A Guide to Fractional T1

By: James Trulove (Editor)

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Hardcover | 31 December 1991

At a Glance

Hardcover
128 Pages

Dimensions(cm)
23.5 x 15.88 x 1.27

Hardcover

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This reference is a guide to the concepts, technology, uses, costs and vocabulary of fractional T-1 services. The book illustrates fractional T-1 capabilities and limitations by explaining basic T-1 networking, common fractional T-1 access methods, equipment interfacing and troubleshooting. The text describes the advantages to be gained with these services, the various service alternatives and the cost/benefit considerations.

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Non-Fiction Engineering & Technology Electronics & Communications Engineering Communications Engineering & Telecommunications Technology in General Instruments & Instrumentation Engineering Energy Technology & Engineering Electrical Engineering

Introduction	p. xi
An Overview of the T-Carrier System	p. 1
A Historical Perspective of Analog Voice Multiplexing	p. 1
The Advantages Brought by Digital Voice Multiplexing	p. 4
Opportunities for Digital Data Transport	p. 5
The T-Carrier Digital Hierarchy	p. 7
Expansion of T1 to Customer Premises	p. 9
Basic T1 Concepts and Technology	p. 13
T1 Channelization: the DS0	p. 13
The D4 Channel Bank	p. 14
T1 CSUs and T1 Repeaters	p. 18
Types of Channel Cards	p. 20
Voice Channel Cards	p. 20
Digital Channel Cards	p. 22
Signaling and Control	p. 24
Fractional T1 Channels	p. 25
The Elements of a Fractional T1 Circuit	p. 29
Fractional T1 Circuit Overview	p. 29
The Long Distance Link	p. 30
The Local Loop	p. 32
T1 Repeaters	p. 34
Distance Limitations	p. 34
The T1 Channel Service Unit (CSU)	p. 35
Digital Access and Cross-connect System (DACS)	p. 36
Data, Voice, and Video Interfaces to Fractional T1	p. 37
Voice Circuit Interfaces	p. 38
Data Circuit Interfaces	p. 41
RS-232 Data Interfaces	p. 41
V.35 High-Speed Data Interfaces	p. 43
Error Protection and Data Restraint	p. 44
The T1 Network Interface and Line Interface	p. 45
T1 Data Interface and Loopback Equipment	p. 46
Applications for Fractional T1	p. 47
Applications Above 56/64 kbps	p. 47
Voice and Data Multiplexing	p. 48
Local Area Network Remote Bridging (LANs)	p. 50
Graphics, CAD, CAM, CAE	p. 52
Video Teleconferencing and Mainframe Channel Extension	p. 53
Methods of Implementing Fractional T1 Service	p. 57
Typical Full T1 Local Loops	p. 57
Customer-Premises Channel Banks	p. 58
T1 and Minimal T1 Multiplexers	p. 60
T1 CSU Types: Standard and DSU/CSU	p. 64
Split T1 CSUs	p. 66
Typical Service Offerings and Terminology	p. 71
Service Areas	p. 71
LATAs: When Do You Need a Long Distance Carrier?	p. 72
Access Coordination by the Carrier	p. 75
Differences Between Carriers	p. 76
Single-Ended Multiplexing	p. 79
Digital Serving Offices and Points-of-Presence	p. 79
Cost and Benefit Considerations	p. 83
Local Loop Elimination or Reduction	p. 84
Service Flexibility	p. 87
Combining Voice and Data to Remote Locations	p. 88
Other Methods for Combining Voice and Data	p. 89
Troubleshooting, Outages, and Backup for Fractional T1 Service	p. 93
Basic Fractional T1 Troubleshooting	p. 93
Standby T1 Lines	p. 96
Switched 56 kbps	p. 97
Equipment Redundancy	p. 98
Alternate Circuit Routing	p. 99
Advantages of Premises DACS	p. 99
Advanced Topics for T1 Technology	p. 103
Multipoint Digital Circuits	p. 103
Secondary Channel Digital Service	p. 104
64 kbps Clear Channel Digital Service	p. 105
T1 Drop and Insert	p. 106
T3 Multiplexers and 45 Mbps Service	p. 106
Dark Fiber	p. 107
European E1 2.048 Mbps Circuits	p. 107
Index	p. 109
Table of Contents provided by Syndetics. All Rights Reserved.

A Guide to Fractional T1

At a Glance

Hardcover

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