Preface
1. Introduction
       1.1 What is 3270?
       1.2 BARR/3270
       1.3 Possible Configurations
       1.4 3270 Workstation Hardware
       1.5 Communications Links and Modems
2. BARR/3270 Features
       2.1 Printer Features
       2.2 Display Terminal Features
       2.3 Keyboard Features
       2.4 Selector Light Pen Support
       2.5 Ease of Operation Features
       2.6 File Transfer Features
       2.7 Communications Features
       2.8 Diagnostics Features
       2.9 Optional Features
3. Documentation and Editing Conventions
       3.1 Documentation Conventions
       3.2 Cues
       3.3 Keys
4. Host Environment Information
       4.1 Terminals
       4.2 SNA Units
       4.3 Host Software
       4.4 Host Communications Programmer
5. Software Installation
       5.1 Distribution Diskette(s)
       5.2 Installation Description
       5.3 3270 Description
       5.4 Devices and Printers
       5.5 Assign Devices
       5.6 Monitor and Adapter
       5.7 Modem Type and Dialing Instructions
       5.8 Startup Screen Notes
       5.9 Interrupt Request, Address, and Loopback Test
       5.10 Tuning Data
       5.11 Exit and Save Changes
       5.12 End of Installation
       5.13 Performance Tuning
6. Tuning Data
       6.1 Edit ASCII and EBCDIC Translation Tables
       6.2 Printer Control
       6.3 Additional Parameters
       6.4 Modem and Line Control (SDLC)
       6.5 Restart Actions
7. Startup Instructions
       7.1 Startup Conditions
       7.2 Startup Screens
       7.3 Logon
8. Operations
       8.1 Quit
       8.2 Advanced
9. 3270 Terminal Emulation
       9.1 3270 Session Screen
       9.2 On-line Keyboard Help
       9.3 Changing Terminal Model Types
10. Communications Diagnostics
       10.1 Communication Scope: SDLC
       10.2 Communication Scope: Token Ring
       10.3 Logon Error Messages
       10.4 Diagnostics
11. File Transfer
       11.1 Introduction
       11.2 TSO File Transfer
       11.3 VM/CMS File Transfer
       11.4 CICS File Transfer
       11.5 File Transfer from DOS Session
       11.6 File Transfer Progress
       11.7 BARR/3270 Error Messages
Appendix A. OIA System Messages
Appendix B. ASCII and EBCDIC Tables
       B.1 Sending ASCII Files
       B.2 Receiving ASCII Files
       B.3 EBCDIC and ASCII Translation
       B.4 ASCII-to-EBCDIC Translation Table
       B.5 EBCDIC-to-ASCII Translation Table
       B.6 Legend of Characters
Appendix C. Serial Port Interfaces
       C.1 Serial Port Signals for PC and PS/2 COM1 or COM2
       C.2 Serial Port Signals for PC AT COM1 or COM2
       C.3 Printer Cable Specifications for PC and PS/2 COM1 or COM2
       C.4 Printer Cable Specifications for PC AT COM1 or COM2
Appendix D. IBM Default Logon Mode Tables
Appendix E. Keyboard Maps
       E.1 Attachmate Keyboard Maps
       E.2 IRMA Keyboard Maps
       E.3 RABBIT Keyboard Maps
Appendix F. Printer Test
       F.1 Printer Test From DOS
Glossary
Warranty