ANSI INCITS 406 : 2005

Foreword
Introduction
1 Scope
2 References
  2.1 Normative references
  2.2 Approved references
  2.3 References under development
  2.4 Other references
3 Definitions, symbols, abbreviations, and conventions
  3.1 Definitions
  3.2 Symbols and abbreviations
  3.3 Keywords
  3.4 Conventions
  3.5 Notation for Procedures and Functions
  3.6 State machine conventions
      3.6.1 State machine conventions overview
      3.6.2 Sub-state machines
      3.6.3 Transitions
      3.6.4 Messages, requests, and event notifications
4 General
  4.1 Architecture
  4.2 Default operating parameters
  4.3 ADT state machines
      4.3.1 Introduction
      4.3.2 Port state machine
      4.3.3 Link negotiation state machine
      4.3.4 Transmitter state machine
      4.3.5 Transmitter error recovery state machine
      4.3.6 Receiver error recovery state machine
  4.4 ACK Offset
  4.5 Frame Number Counters
      4.5.1 Frame Number Counters overview
      4.5.2 Next Frame To Send counter
      4.5.3 Expected Frame Number counter
  4.6 Link layer error recovery
      4.6.1 Error detection
      4.6.2 Error recovery
  4.7 Hard reset
  4.8 I_T nexus loss
  4.9 Transport protocol variations from SAM-2
5 Physical layer
  5.1 Electrical Characteristics
      5.1.1 ADT compliance points
      5.1.2 Cabling
      5.1.3 Sense connection
      5.1.4 Signal connection
      5.1.5 Transmit-receive connection
  5.2 Bus composition
  5.3 Connector pin-out
6 Link layer
  6.1 Basic frame format
  6.2 Encoding
  6.3 ADT frame header
  6.4 Checksum
  6.5 Link service information units
      6.5.1 Link service frames overview
      6.5.2 Payload size - type consistency
      6.5.3 acknowledgment information units
      6.5.4 Port login information unit
      6.5.5 Port logout information unit
      6.5.6 Pause information unit
      6.5.7 NOP information unit
      6.5.8 Initiate Recovery information unit
      6.5.9 Initiate Recovery ACK information unit
      6.5.10 Initiate Recovery NAK information unit
      6.5.11 Link service exchange lifetime
7 Transport layer
  7.1 SCSI Encapsulation
      7.1.1 SCSI encapsulation overview
      7.1.2 SCSI Command information unit
      7.1.3 SCSI Task Management information unit
      7.1.4 SCSI Response information unit
      7.1.5 SCSI Transfer Ready information unit
      7.1.6 SCSI Data information unit
      7.1.7 SCSI encapsulation exchange lifetime
      7.1.8 Reception of Encapsulated SCSI Information
             Units in exceptional circumstances
  7.2 Fast Access
      7.2.1 Fast Access overview
      7.2.2 Payload size - type consistency
      7.2.3 Request for VHF Data information unit
      7.2.4 VHF Data information unit
      7.2.5 AER information unit
      7.2.6 AER Control information unit
      7.2.7 Fast Access exchange lifetime
8 SCSI Application layer
  8.1 SCSI Transport protocol services overview
  8.2 Transport layer protocol services to support Execute
      Command
      8.2.1 Send SCSI Command transport protocol service
      8.2.2 SCSI Command Received transport protocol
             service
      8.2.3 Send Command Complete transport protocol
             service
      8.2.4 Command Complete Received transport protocol
             service
      8.2.5 Send Data-In transport protocol service
      8.2.6 Data-In Delivered transport protocol service
      8.2.7 Receive Data-Out transport protocol service
      8.2.8 Data-Out Received transport protocol service
      8.2.9 Send Data-Out transport protocol service
      8.2.10 Data-Out Delivered transport protocol service
      8.2.11 Receive Data-In transport protocol service
      8.2.12 Data-In Received transport protocol service
  8.3 Task management protocol services
      8.3.1 Send Task Management Request transport protocol
             service
      8.3.2 Task Management Request Received transport protocol
             service
      8.3.3 Task Management Function Executed transport protocol
             service
      8.3.4 Received Task Management Function-Executed
             transport protocol service
  8.4 SCSI mode parameters
      8.4.1 Disconnect-Reconnect mode page
      8.4.2 Protocol-Specific Port mode page
      8.4.3 Protocol-Specific Logical Unit mode page
Tables
Figures
Annexes
A SCSI transport protocol service examples
  A.1 Introduction
  A.2 SCSI command with no data phase
  A.3 SCSI Command with data in
  A.4 SCSI Command with data out
B Error detection and recovery action examples
  B.1 Introduction
  B.2 Receiver-detected retryable error
  B.3 Receiver-detected retryable error with multiple
       active IUs
  B.4 Lost IU with no further traffic
  B.5 Lost ACK with recovery driven by out-of-order ACK
  B.6 Lost IU with recovery driven by out-of-order NAK
  B.7 Lost NAK with recovery driven by timeout
  B.8 Non-retryable error
  B.9 Lost ACK with errors on next IU
  B.10 Delayed response with recovery driven by timeout
C Link negotiation examples
  C.1 Introduction
  C.2 Field values common to all frames
  C.3 DT device initiates a login after power-up
  C.4 Automation device initiates login after power-up

Describes the requirements of the Automation/Drive Interface - Transport Protocol to allow conforming ADI SCSI devices to inter-operate.