ARINC 844-1 : 2016

1.0 INTRODUCTION
1.1 Purpose of this Report
1.2 Function of the Equipment
1.3 Unit Description
1.4 Interchangeability
1.5 Reliability
1.6 Maintainability
1.7 Scope
1.8 Intent and Benefit
1.9 Document Organization
1.10 Other Documents Referenced
2.0 INTERCHANGEABILITY STANDARDS
2.1 Introduction
2.2 Form Factor and Connectors
2.3 Power Circuitry
2.4 Environmental Conditions
2.5 Data Transfer Standard
2.6 Grounding
2.7 Standard 'Open'
2.8 Standard 'Ground'
2.9 Standard Discrete Input
3.0 SIGNAL CHARACTERISTICS
3.1 Interface Standards
3.2 Magnetic Disk Recording Formats
3.3 File Transfer Protocol
3.4 Discrete Outputs
3.5 Optional RS-232C Interface
3.6 MCDU Control and Display Interfaces (Optional)
4.0 UNIT DESIGN
4.1 Disk Ejector
4.2 Indictors/Displays
4.3 Legends and Instructions
4.4 Internal Heater
4.5 Special Physical Provisions
4.6 Testing
ATTACHMENTS
ATTACHMENT 1 - ADL CONNECTOR POSITIONING
ATTACHMENT 2 - ARINC 615 CABLE SPECIFICATIONS
ATTACHMENT 3 - (DELETED) AIRBORNE COMPUTER
               RESPONSES
ATTACHMENT 4 - DATA LOADER COMMANDS
               SUBCODES IN THE HEADER WORDS
ATTACHMENT 5 - DEFAULT LOADER CONFIGURATIONS
ATTACHMENT 6 - LOADER CONFIGURATION FILE EXAMPLE
               (CONFIG.LDR)
ATTACHMENT 7 - DATA WORD FORMAT
ATTACHMENT 8 - ADDRESS LABELS
ATTACHMENT 9 - PROTOCOL FLOW DIAGRAMS
ATTACHMENT 10 - ENVIRONMENTAL TEST CATAGORIES
ATTACHMENT 11 - PROTOCOL DIAGRAMS
ATTACHMENT 12 - DEFINITION OF TERMS
ATTACHMENT 13 - DESIGN GUIDELINES AND APPLICATION
                EXAMPLES
ATTACHMENT 14 - ADDITIONAL GUIDANCE: PROTOCOL
                CASE DIAGRAMS

Specifies the requirements of a Target Data Loader (TDL) from the target hardware 'point of view.'