2000 Eligible Services List December 18
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Digital Subscriber Lines and Cable Modems Digital Subscriber Lines and Cable Modems
Digital Subscriber Lines and Cable Modems Digital Subscriber Lines and Cable Modems Paul Sabatino, [email protected] This paper details the impact of new advances in residential broadband networking, including ADSL, HDSL, VDSL, RADSL, cable modems. History as well as future trends of these technologies are also addressed. OtherReports on Recent Advances in Networking Back to Raj Jain's Home Page Table of Contents ● 1. Introduction ● 2. DSL Technologies ❍ 2.1 ADSL ■ 2.1.1 Competing Standards ■ 2.1.2 Trends ❍ 2.2 HDSL ❍ 2.3 SDSL ❍ 2.4 VDSL ❍ 2.5 RADSL ❍ 2.6 DSL Comparison Chart ● 3. Cable Modems ❍ 3.1 IEEE 802.14 ❍ 3.2 Model of Operation ● 4. Future Trends ❍ 4.1 Current Trials ● 5. Summary ● 6. Glossary ● 7. References http://www.cis.ohio-state.edu/~jain/cis788-97/rbb/index.htm (1 of 14) [2/7/2000 10:59:54 AM] Digital Subscriber Lines and Cable Modems 1. Introduction The widespread use of the Internet and especially the World Wide Web have opened up a need for high bandwidth network services that can be brought directly to subscriber's homes. These services would provide the needed bandwidth to surf the web at lightning fast speeds and allow new technologies such as video conferencing and video on demand. Currently, Digital Subscriber Line (DSL) and Cable modem technologies look to be the most cost effective and practical methods of delivering broadband network services to the masses. <-- Back to Table of Contents 2. DSL Technologies Digital Subscriber Line A Digital Subscriber Line makes use of the current copper infrastructure to supply broadband services. -
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FEDERAL REGULATION AND COMPETITIVE ACCESS TO MULTIPLE-UNIT PREMISES: MORE CHOICE IN COMMUNICATIONS SERVICES? LYNNE HOLT* & MARK JAMISON** I. INTRODUCTION The nature of competition in the United States’ communications sector changed significantly over the past two decades. Before the 1990s, ‘‘competition’’ referred to the fight among providers of discrete services, such as the contest among AT&T, MCI, and Sprint over the long- distance slice of the communications pie. Today, competition is much more likely to describe the fight over the entire pie, among firms offering a ‘‘triple play’’ of services----high-speed Internet service, video, and t e l e p h o n y ----over a single broadband platform. Some firms recently expanded the pie with a ‘‘quadruple play’’ that includes wireless services as well. Cable operators, traditional wireline telephone companies, and, increasingly, wireless providers are competing to offer consumers both the underlying broadband platform and various bundled services that ride across it. However, not all consumers benefit from this competition in like manner.1 Public policy deliberations tend to focus more on differences in access to communications services either between consumers in rural and * Dr. Lynne Holt, Policy Analyst, Public Utility Research Center, University of Florida, Gainesville, FL 32611-7142, [email protected]. ** Dr. Mark A. Jamison, Director, Public Utility Research Center, University of Florida, Gainesville, FL 32611-7142, [email protected]. The authors appreciate the review by Mr. William Cox, Able Band Chartered, and his suggestions for improving an earlier version of this paper. 1. For example, the staff of the New York Public Service Commission found differences between geographic areas in terms of the competitive alternatives that customers enjoyed. -
Voip My House -- How to Quickly Distribute a Voip Phone Line to Your Entire House Voip My House How to Quickly Distribute a Voip Phone Line to Your Entire House
VoIP My House -- How to quickly distribute a VoIP phone line to your entire house VoIP My House How to quickly distribute a VoIP phone line to your entire house - Unlimited calling to U.S. and over 60 other countries - $10/month for 6 months, then $28/month - Sign up and get a $50 e-gift card - Get full details TIP: Review this entire web page article before working on your house, especially the DSL warning [§20] and Disclaimer [§23]. 1. VoIP - the new way 10. Ringer Equivalence 20. DSL warning 2. POTS - the old way Number 21. The cost of 'always 3. VoIP advantages 11. Twisted Pairs on' 4. VoIP disadvantages 12. Structured Wiring 22. More Information 5. POTS network 13. Alarm systems 23. Disclaimer interface 14. Color coding standards 24. Feedback 6. POTS phone jack 15. Safest VoIP solution 7. VoIP phone jack 17. Phone line polarity 8. The VoIP solution 18. Splicing wires 9. An ounce of 19. Verizon sucks prevention 1. VoIP - Phone service the new way VoIP = Voice over IP (internet) Most of us have high speed Internet in our homes -- so why not use the Internet to connect your whole house directly to a new (and cheaper) phone company's network? Quite simply, that is what VoIP can do for you. VoIP: 'Voice over IP': Connecting to a newer phone company's network directly (via the Internet instead of by dedicated copper wire), providing you with a device which provides phone service (a dial tone). And yes, you can connect your whole house to VoIP [§8], and you can continue to use all of the phones that you are using right now. -
Copyright © GE Multilin Inc. 2001-2010
Issue 5 July 2010 JungleMUX SONET Multiplexer SONET 101 FOR JUNGLEMUX USERS Self-Paced Workbook Copyright © GE Multilin Inc. 2001-2010 Issue 5 GE Multilin July 2010 Page 2 SONET 101 for JungleMUX Users Self-Paced Workbook Information in this workbook is provided solely for training purposes of JungleMUX equipment users. Neither the workbook nor any portion of the workbook may be reproduced in any form without written permission. For information, contact GE Multilin − Lentronics Multiplexers at (604) 421-8695 or (604) 421-8716. Copyright © GE Multilin Inc. 2001-2010 Issue 5 July 2010 Page 3 TABLE OF CONTENTS SECTION PAGE 1. BEFORE YOU START….....................................4 Learning Objectives.............................................................................4 Prerequisites ........................................................................................4 2. INTRODUCTION TO SONET ..............................5 Digital Hierarchy...................................................................................5 STS-1 Frame Format ............................................................................6 Sub-STS-1 Synchronous Signals .......................................................7 STS Concatenation ..............................................................................8 SONET Layers ......................................................................................9 Overhead Information.........................................................................11 Pointers................................................................................................12 -
PS-102 Dominic Ruggiero New Developments in FTTH
PS-102 Dominic Ruggiero New Developments in FTTH 2012 FTTH Conference & Expo: The Future Is Now – Dallas, Texas New Developments in FTTH Dominic Ruggiero-FTTH System Engineer Multicom, Inc 1076 Florida Central Parkway, Longwood FL 32750 [email protected] (800) 423-2594 (407)-331-7779 Table of Contents Introduction 3 PON Systems 4-5 Next Gen Networks 6 User Applications 7 Conclusion 8 New Developments in FTTH- Dominic Ruggiero 2012 FTTH Conference & Expo: The Future Is Now – Dallas, Texas Introduction It's been almost three decades in the making, but fiber to the home (FTTH) is finally emerging into the mainstream and is set to transform the telecom environment worldwide over the next decade. FTTH represents the first major upgrade to the access network since the deployment of cellular infrastructure in the 80s and 90s, and like cellular, it is likely to have a deep impact on the entire supply chain, including technology vendors and network operators. Over the next 15 to 20 years, copper access networks worldwide will be largely replaced by a fiber access network, creating massive opportunities for vendors, network builders, and service providers. The most important catalyst for this change is a growing perception that copper access networks will soon no longer be able to meet the ever- growing consumer demand for bandwidth, driven mainly by the Internet, IP, and the many services running over it. At the same time, competition to move customers onto complex service packages that include video is leading some to conclude that they must be first to deploy fiber, pre-empting or frustrating future competition. -
Open Access Networks and National Broadband Plans: Tales from Down
A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Beltrán, Fernando Conference Paper Open access networks and national broadband plans: Tales from down 19th Biennial Conference of the International Telecommunications Society (ITS): "Moving Forward with Future Technologies: Opening a Platform for All", Bangkok, Thailand, 18th-21th November 2012 Provided in Cooperation with: International Telecommunications Society (ITS) Suggested Citation: Beltrán, Fernando (2012) : Open access networks and national broadband plans: Tales from down, 19th Biennial Conference of the International Telecommunications Society (ITS): "Moving Forward with Future Technologies: Opening a Platform for All", Bangkok, Thailand, 18th-21th November 2012, International Telecommunications Society (ITS), Calgary This Version is available at: http://hdl.handle.net/10419/72525 Standard-Nutzungsbedingungen: Terms of use: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Documents in EconStor may be saved and copied for your Zwecken und zum Privatgebrauch gespeichert und kopiert werden. personal and scholarly purposes. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle You are not to copy documents for public or commercial Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich purposes, to exhibit the documents publicly, to make them machen, vertreiben oder anderweitig nutzen. publicly available on the internet, or to distribute or otherwise use the documents in public. Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, If the documents have been made available under an Open gelten abweichend von diesen Nutzungsbedingungen die in der dort Content Licence (especially Creative Commons Licences), you genannten Lizenz gewährten Nutzungsrechte. may exercise further usage rights as specified in the indicated licence. -
Citizens Construction Guidelines
Construction Guidelines for Providing Communications Services TABLE OF CONTENTS Residential Home Wiring...................................................................................................................................Page 3 Pre-Construction Checklist........................................................................................................Page 4 Line Extensions..............................................................................................................................Page 4 Mobile Home Parks Basic Requirements......................................................................................................................Page 5 Subdivisions/Parcel Divisions Basic Requirements......................................................................................................................Page 6 Trenching Basic Requirements......................................................................................................................Page 7 Examples of How Citizens Handles Buried Telecommunication Drop Applications Example A........................................................................................................................................Page 8 Example B.........................................................................................................................................Page 8 Customer Responsibilities for Communication Facilities on Drop Applications Multi-Residential and Commercial Service Requirements............................................Page -
Tdmandt-Carriers
ELEX 4550 : Wide Area Networks 2017 Fall Session TDM and T-Carriers is lecture describes the earliest commonly-used time-division multiplex (TDM) scheme for transmission of digitized speech signals. e T1 signal carries 24 64 kb/s channels. First introduced in the early 1960’s it is still used today. Aer this lecture you should be able to: multiplex/de-multiplex a PCM channel to/from a T1 bit stream; compute the payload and channel bit rates for T1 and T3 carriers; compute the time between frame slips; convert between a bit stream and B8ZS coded waveforms. Introduction T1/E1 Multiplex Time Division Multiplexing shares a transmission e T1 TDM system time-division multiplexes 24 channel by interleaving data from different sources in 64 kb/s PCM channels by sequentially transmitting time. 8 bits from each PCM channel. Each set of 24 × e best-known example is probably the T1 TDM 8 bits/channel = 192 bits per 125 μs frame is followed system developed in the 1960s for transmission of by a single synchronization bit resulting in an overall multiple PCM speech signals between central offices. bit rate of 193×8 kHz = 1.544 Mb/s A TDM system combines bits or bytes from e data stream delivered by a T1 carrier signal is multiple “tributaries” into one signal. A “frame” is called a DS1 (digital signal 1). the smallest time interval that contains data from all e main purpose of the framing bit is to detect tributaries. correct framing. e receiver looks at this bit to see if e term “synchronous” has three different it is still frame synchronized. -
Telecom Acronym Guide
Telecom Acronym Guide Fourth Edition Telecom Acronym Guide Fourth Edition Numerics ACAC Actual Call Admission Control 2F Two-fiber ACEG Alternating Current Equipment Ground 10 GbE 10 Gigabit Ethernet ACK Acknowledge 10 GFC 10 Gigabit Fibre Channel (Same as FC1200) ACL Active Control List; Access Control List 100G 100 Gigabits ACO Alarm Cutoff 16-QAM 16 (points) Quadrature Amplitude Modulation ACQ Acquire 3D Three-dimensional ACR Allowed Cell Rate 3G Third Generation ACS Automatic Channel Shutdown; Alarm Correlation and Suppression 3GPP Third Generation Partnership Project ACSE Association Control Service Element 40G 40 Gigabits ACSS Automatic Channel Shutdown Suppression; 4C Consortium of Intel, IBM, Matsushita, and Toshiba Automatic Channel Shutdown State 4F Four-fiber ACT Active 4G Fourth Generation ADC Analog-to-Digital Converter; Add/Drop Coupler 5C Consortium of Intel, Sony, Matsushita, Toshiba, ADI Asset Distribution Interface and Hitachi ADM Add/Drop Multiplexer 5G Fifth Generation ADP Actual Departure Potential; Automatic A Data Processing ADSL Asymmetric Digital Subscriber Line A/D Analog-to-digital ADT Actual Departure Time; Automatic AAL ATM Adaptation Layer Data Transmission AAL0 ATM Adaptation Layer Type 0 AE Automation Engine; Automation Environment A AL1 ATM Adaptation Layer Type 1 AES Advanced Encryption Standard; AAL2 ATM Adaptation Layer 2 Transport Application Environment Specific AAL3/4 ATM Adaptation Layer Types 3 and 4 AESA ATM End System Address; ATM End Station AAL5 ATM Adaptation Layer 5 Address ABR Available Bit -
ATA and Evolving Terminology
Select Engineered Systems Field Bulletin: December 2013 ATA and Evolving Terminology As the Cable industry (CATV) has evolved from Analog/RF to digital transmission methods, addition- al services such as Internet access and Telephony, are being offered to customers. SES is primarily interested in Telephony as it affects our products. The first attempts to integrate telephony into Ca- ble equipment used discrete devices called ATAs (Analog to Telephone Adapters). ATAs convert and digitize analog voice signals for transmission to the Cable Plant and also provide the voltages and signals expected by most phone equipment. These were usually proprietary to a specific Cable Plant operation and varied widely from one CATV operator to another. Below left, is a typical example of a discrete ATA: As the Cable industry (CATV) continued to evolve, ATA circuitry became incorporated into what are known as: Cable Modems. This simplified both installation and operation and in many markets, this technology came to replace standard analog telephone equipment. In the example (above right) is a Cable Modem offering TV hookup, Internet Service, (through an Ethernet connector) and Phone ser- vice through RJ11 jacks. Therefore, what is typically thought of as an “ATA” is now incorporated directly into the CATV operator-provided equipment. Recently, Service Providers have moved away from the more generic term ATA in favor of marketing specific terms for the equipment they lease or provide. One such example is ComCast’s XFINITY system, which has various components depend- ing on the features desired. Features and accessory components may vary widely around the coun- try. The component used for telephone service is currently called an “eMTA” for embedded MultiMedia Terminal Adapter and some other examples are shown below. -
X6010 Network Interface Device (NID)
ION System x6010 Managed T1/E1-to-Fiber Network Interface Device (NID) User Guide 33493 Rev. D Transition Networks ION x6010 User Guide Trademarks All trademarks and registered trademarks are the property of their respective owners. Copyright Notice/Restrictions Copyright © 2010-2017 Transition Networks. All rights reserved. No part of this work may be reproduced or used in any form or by any means (graphic, electronic or mechanical) without written permission from Transition Networks. Printed in the U.S.A. ION System x6010 Managed T1/E1-to-Fiber Network Interface Device (NID) User Guide, 33493 Rev. D Contact Information Transition Networks 10900 Red Circle Drive Minnetonka, MN 55343 USA tel: +1.952.941.7600 | toll free: 1.800.526.9267 | fax: 952.941.2322 Revision History Rev Date Description A 05/23/11 Revised for firmware version 1.1.0. B 09/08/11 Revised for firmware version 1.2.0. C 12/23/16 Revised for firmware version 1.2.6 and updated default and LBO settings. D 3/3/17 Add DoC and update contact information. 33493 Rev. D https://www.transition.com/ Page 2 of 293 Transition Networks ION x6010 User Guide Cautions and Warnings Definitions Cautions indicate that there is the possibility of poor equipment performance or potential damage to the equipment. Warnings indicate that there is the possibility of injury to person. Cautions and Warnings appear here and may appear throughout this manual where appropriate. Failure to read and understand the information identified by this symbol could result in poor equipment performance, damage to the equipment, or injury to persons. -
Configuring Mediant™ MSBR for WAN & LAN Access
Configuration Note Multi-Service Business Routers (MSBR) Product Series Configuring Mediant™ MSBR for WAN & LAN Access Version 7.2 Configuration Note Contents Table of Contents 1 Introduction ......................................................................................................... 7 2 Cellular Interfaces (3G vs. 4G) ........................................................................... 9 2.1 Examples ............................................................................................................. 10 3 PPP and PPPoE ................................................................................................. 13 3.1 Examples ............................................................................................................. 14 4 ADSL/VDSL ........................................................................................................ 15 4.1 ADSL Examples ................................................................................................... 16 4.2 Examples ............................................................................................................. 17 5 ATM-based Interfaces and Encapsulation ...................................................... 19 5.1 Examples ............................................................................................................. 20 6 EFM Interfaces ................................................................................................... 23 6.1 Examples ............................................................................................................