Storage System Diagnostics and Utility Protocol

Company:	Digital Equipment Corporation
Part:	AA-L620A-TK
Date:	1982-04
Keywords:	MSCP UDA50

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Chapter 1 Introduction
- 1.1 Overview of MSCP Subsystem
- 1.2 Overview of DUP
- 1.3 Purpose
- 1.4 Scope
Chapter 2 Terminology
- 2.1 Terminology
Chapter 3 DUP Host / Controller Communications
- 3.1 DUP Host / Controller Communications
  - 3.1.1 Communications Scheme
  - 3.1.2 Class Driver / DUP Server Communications
  - 3.1.3 Host Program / Remote Program Communications
Chapter 4 Algorithms and Usage Rules
- 4.1 Algorithms and Usage Rules
  - 4.1.1 DUP Server States
  - 4.1.2 Command Categories and Execution Order
  - 4.1.3 Class Driver / DUP Server Synchronization
  - 4.1.4 Class Driver Error Recovery
  - 4.1.5 Command Timeouts
Chapter 5 Generic Control Message Format
- 5.1 Generic Control Message Format
  - 5.1.1 Generic Control Message Format
  - 5.1.2 Command Modifiers
  - 5.1.3 End Message Format
  - 5.1.4 Status Codes
  - 5.1.5 ABORT PROGRAM Command / Response
  - 5.1.6 GET DUST STATUS Command / Response
  - 5.1.7 EXECUTE SUPPLIED PROGRAM Command / Response
  - 5.1.8 EXECUTE LOCAL PROGRAM Command / Response
  - 5.1.9 SEND DATA and RECEIVE DATA Commands / Responses
Appendix A Modifier Codes/Response Status Codes/Opcodes
Appendix B Remote Program Header
Appendix C The Direct Program