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Guide to Fractional T-1 : Telecommunications Library - J.E. Trulove

Guide to Fractional T-1

Telecommunications Library

Hardcover Published: 19th January 1992
ISBN: 9780890065242
Number Of Pages: 128

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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.

Introductionp. xi
An Overview of the T-Carrier Systemp. 1
A Historical Perspective of Analog Voice Multiplexingp. 1
The Advantages Brought by Digital Voice Multiplexingp. 4
Opportunities for Digital Data Transportp. 5
The T-Carrier Digital Hierarchyp. 7
Expansion of T1 to Customer Premisesp. 9
Basic T1 Concepts and Technologyp. 13
T1 Channelization: the DS0p. 13
The D4 Channel Bankp. 14
T1 CSUs and T1 Repeatersp. 18
Types of Channel Cardsp. 20
Voice Channel Cardsp. 20
Digital Channel Cardsp. 22
Signaling and Controlp. 24
Fractional T1 Channelsp. 25
The Elements of a Fractional T1 Circuitp. 29
Fractional T1 Circuit Overviewp. 29
The Long Distance Linkp. 30
The Local Loopp. 32
T1 Repeatersp. 34
Distance Limitationsp. 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 T1p. 37
Voice Circuit Interfacesp. 38
Data Circuit Interfacesp. 41
RS-232 Data Interfacesp. 41
V.35 High-Speed Data Interfacesp. 43
Error Protection and Data Restraintp. 44
The T1 Network Interface and Line Interfacep. 45
T1 Data Interface and Loopback Equipmentp. 46
Applications for Fractional T1p. 47
Applications Above 56/64 kbpsp. 47
Voice and Data Multiplexingp. 48
Local Area Network Remote Bridging (LANs)p. 50
Graphics, CAD, CAM, CAEp. 52
Video Teleconferencing and Mainframe Channel Extensionp. 53
Methods of Implementing Fractional T1 Servicep. 57
Typical Full T1 Local Loopsp. 57
Customer-Premises Channel Banksp. 58
T1 and Minimal T1 Multiplexersp. 60
T1 CSU Types: Standard and DSU/CSUp. 64
Split T1 CSUsp. 66
Typical Service Offerings and Terminologyp. 71
Service Areasp. 71
LATAs: When Do You Need a Long Distance Carrier?p. 72
Access Coordination by the Carrierp. 75
Differences Between Carriersp. 76
Single-Ended Multiplexingp. 79
Digital Serving Offices and Points-of-Presencep. 79
Cost and Benefit Considerationsp. 83
Local Loop Elimination or Reductionp. 84
Service Flexibilityp. 87
Combining Voice and Data to Remote Locationsp. 88
Other Methods for Combining Voice and Datap. 89
Troubleshooting, Outages, and Backup for Fractional T1 Servicep. 93
Basic Fractional T1 Troubleshootingp. 93
Standby T1 Linesp. 96
Switched 56 kbpsp. 97
Equipment Redundancyp. 98
Alternate Circuit Routingp. 99
Advantages of Premises DACSp. 99
Advanced Topics for T1 Technologyp. 103
Multipoint Digital Circuitsp. 103
Secondary Channel Digital Servicep. 104
64 kbps Clear Channel Digital Servicep. 105
T1 Drop and Insertp. 106
T3 Multiplexers and 45 Mbps Servicep. 106
Dark Fiberp. 107
European E1 2.048 Mbps Circuitsp. 107
Indexp. 109
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780890065242
ISBN-10: 0890065241
Series: Telecommunications Library
Audience: General
Format: Hardcover
Language: English
Number Of Pages: 128
Published: 19th January 1992
Publisher: Artech House Publishers
Country of Publication: US
Dimensions (cm): 22.9 x 15.2  x 1.1
Weight (kg): 0.36