• • • • • • • MacAccess: Information in Motion MacAccess: Information in Motion Dean Gengle and Steven Smith A CommuniTree Book HAYDEN BOOKS A Division of Howard W. Sams & Company 4300 West 62nd Street Indianapolis, Indiana 46268 USA Copyright o 1987 Hayden Books A Division of Howard W. Sams, Inc. FIRST EDITION FIRST PRINTING 1987 All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. While every precaution has been taken in the preparation of this book, the publisher and authors assume no respon· sibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. International Standard Book Number: 0·672-46567·1 Ubrary of Congress Catalog Card Number: 86-63337 Acquisitions Editor: Bll..L GROUT Cover Design: JIM BERNARD Compositor: THE PUBLISHER'S NETWORK, MORRISVILLE, PA Printed in the United States of America Dedication This portion of the Great Work is dedicated to John S. James and John Mellen, whose advice, support, and achievements have inspired us ever onward. Trademark Acknowledgments All terms mentioned in this book that are known to be trademarks or service marks are listed below. In addition, terms suspected of being trademarks or service marks have been appropriately capitalized. Hayden cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. 1-2-3 is a registered trademark of Lotus Development Corporation Apple is a registered trademark of Apple Computer, Inc. AppleTalk is a registered trademark of Apple Computer, Inc. BLAST is a registered trademark of Communications Research Group Chart is a registered trademark of Microsoft Corporation COMPAQ is a registered trademark of Compaq Computer Corporation CompuServe is a registered trademark of CompuServe Information Services, an H&.R Block Company Crosstalk is a registered trademark of Microstuf Inc. dBASE is a registered trademark of Ashton-Tate DIALOG is a registered trademark of Dialog Information Services, Inc. Displaywriter is a trademark of International Business Machines Corporation Dow Jones News/Retrieval is a registered trademark of Dow Jones &. Company, Inc. Excel is a trademark of Microsoft Corporation mM AT is a registered trademark of International Business Machines Corporation inT alk is a registered trademark of Palantir Software Jazz is a registered trademark of Lotus Development Corporation Kaypro is a registered trademark of Kaypro Corporation Kermit is a registered trademark of Henson Associates, licensed to Columbia University LaserWriter is a registered trademark of Apple Computer, Inc. MacCharlie is a registered trademark of Dayna Communications, Inc. MacDraw is a trademark of Apple Computer, Inc. MacGeorge is a registered trademark of RD Communications, Inc. Macintosh is a trademark of Apple Computer, Inc. MacLink is a registered trademark of DataV iz, Inc. MacMail is a registered trademark of Aegis Development, Inc. MacMainframe is a registered trademark of Avatar Technologies, Inc. MacPaint is a trademark of Apple Computer, Inc. MacTerminal is a trademark of Apple Computer, Inc. MacWrite is a trademark of Apple Computer, Inc. Market Manager Plus is a registered trademark of Dow Jones & Company, Inc. Maxwell Modem is a registered trademark of RD Communications, Inc. MCI Mail is a trademark of MCI Communications Corp. MicroModem Dis a trademark of Hayes Microcomputer Products, Inc. MicroPhone is a registered trademark of Software Ventures, Inc. MultiMate is a registered trademark of MultiMate International Corporation, an Ashton-Tate Company MultiPlan is a registered trademark of Microsoft Corporation N'Cryptor is a registered trademark of Mainstay Newsnet is a registered trademark of Independent Publications, Inc. Osborne is a registered trademark of Osborne Computer Corporaton PageMaker is a registered trademark of Aldus Corporation Paradox is a registered trademark of Ansa Software PC to Mac and Back is a registered trademark of Dllithium Press PC Teletree is a registered trademark of CommuniTree Group ProModem is a registered trademark of Prometheus Products, Inc. Popcorn is a registered trademark of Prentice Corporation Quick and Dirty Utilities is a registered trademark of Dreams of the Phoenix, Inc. Racal-Vadic is a registered trademark of RD Communications, Inc. ReadySetGo is a registered trademark of Manhattan Graphics Red Ryder is a registered trademark of The Freesoft Company Samna Word is a registered trademark of Samna Corporation SideKick is a registered trademark of Borland International Smart-Cat is a registered trademark of Novation, Inc. SmartCable is a registered trademark of IQ Technologies Smartmodem followed by model number is a trademark of Microcomputer Products, Inc. Softstrip is a registered trademark of Cauzin Systems, Inc. Spinwriter is a registered trademark of NEC Home Electronics, Inc. Sprint is a registered trademark of US Sprint Communications Straight Talk is a registered trademark of Dow Jones &. Company, Inc. Tektronix is a registered trademark of Tektronix, Inc. Telescape is a registered trademark of Mainstay TeleVideo is a registered trademark of Televideo Systems, Inc. Tempo is a registered trademark of Affinity Microsystems, Ltd. The Source is a service mark of The Source Telecomputing Corporation TOPS is a registered trademark of Centram Systems West Trailblazer is a registered trademark of Telebit Corporation UNIX is a registered trademark of AT&T VersaTerm is a registered trademark of Peripherals, Supplie & Computers VisiCalc is a registered trademark of VisiCorp WORD is a trademark of Microsoft Corporation WordPerfect is a registered trademark of WordPerfect Corporation WordStar is a registered trademark of MicroPro International Corp. XENIX is a registered trademark of Microsoft Corporat on Contents Acknowledgments xvii Introduction xix Chapter 1 Coming to Terms 1 Softspace 1 Files .2 Modem .2 Telephones and Phone 3 Software 3 Mainframes 4 Micros s Networks s Information s Chapter 2 As the Modem Squeals 7 Setting the Stage 7 The Scenario 8 Is Telecom Worth It? 11 Questionnaire 13 . IX X MacAccess: Information in Motion Chapter 3 Digging into Telecom 1'7 Files 17 Cables 20 Modems 30 Phone Lines 3'7 Summary 39 Chapter4 A Tour of MicroPhone 41 A Bit of History 42 FILE Menu 46 SETTINGS Menu 49 PHONE Menu 72 SCRIPTS Menu 7S FILE TRANSFER Menu 7S Chapter 5 Communication Command Languages 83 Time Invested vs. Degree of Automation 84 Low-Level Automation 88 Our Ideal Script Language 93 Discussion and Comparison 102 Summary 108 Chapter 6 Links and Hints 113 Macintosh to Macintosh 113 Macintosh to Macintosh Through an Intermediate System 119 Macintosh to Apple ll Family 122 Macintosh to IBM PCs 123 Macintosh-to-Mainframe Services 131 Macintosh-to-Mainframes and Minis 133 Micro-to-Mainframe Software Solutions 138 Upward Mobility: The AppleTalk Network 141 Comparing Terminal Software 144 . XI Contents Chapter 7 Telephone Management 153 Call-Waiting Tip 166 On-Line Logs 167 Software for Telecom Management 163 The Business Communications Crisis 166 Chapter 8 Advanced Technical Topics 169 Files and File Formats 169 Using BinHex 176 Cables 178 Synchronous and Asynchronous Modems 188 Error-Checking Transfer Protocols 190 Data Security and Encryption 198 Standards Organizations 201 Epilog TeleFutures .203 Appendix A FILE to FILE Import/Export Charts 207 AppendixB ASCII and EBCDIC .217 The ASCD Character Set .Z17 EBCDIC .Z18 AppendixC Sources Directory .2.21 Microcomputers .Z.Z1 Communications Accessories .Z.Z.Z Macintosh Plus Gable Supplies .Z22 Phone Networks and Information Services 223 Names and Addresses of Manufacturers Mentioned in the Text 227 Directories of On-line Information Sources 233