ARINC 619-5 : 2017

1.0 INTRODUCTION
1.1 Purpose of this Document
1.2 Organization of this Document
1.3 LRU Interface Definitions
1.4 Protocol Application
1.5 Referenced Documents
1.6 Terminology
2.0 OPTIONAL AUXILIARY TERMINALS
2.1 Introduction
2.2 Management Unit/Optional Auxiliary Terminal
     Interface
3.0 CHARACTER ORIENTED COMMUNICATIONS
3.1 ARINC 429 Character-Oriented File Transfer
     Protocol Characteristics
3.2 Physical Interconnection
3.3 Character Protocol, General Characteristics
3.4 Character File Transfer Communications Protocol
3.5 ACARS Character Protocol Message Routing
3.6 Translation of Uplink Message Text to ARINC 429
     Character File Transfer Format
3.7 Routing Messages Received From End Systems
3.8 Downlinks
3.9 Documentary Data Function
4.0 PRINTERS
4.1 Introduction
4.2 597/724 Dedicated Printer Protocol
4.3 ARINC 740/744 Printer Interface
5.0 GENERAL BIT-ORIENTED COMMUNICATIONS PROTOCOL
5.1 Data Transfer System
5.2 Physical Medium
5.3 Physical Layer
5.4 Link Layer
5.5 Network Layer
5.6 Delete Message Function
6.0 CMU RECORDER PROTOCOL
6.1 Data Transfer System
6.2 Physical Medium
6.3 Physical Layer
6.4 Link Layer
6.5 Network Layer
ATTACHMENTS
1 ISO 5 Characters
2 Master FMC Selection Logic
3 Origin/Destination Codes
4 Purpose/Nature Codes
5 Documentary Data Formats
6 Character File Transfer Message Formats
7 GPBOP Message Formats
8 Format of Williamsburg Service Messages
9 Interaction of End Systems
10 Character File Transfer Protocol Timing
11 Message Priority and Media Selection
12 Optional Auxilliary Terminal (OAT)
APPENDICES
A - List of Acronyms
B - Data Link Recording
C - Airbus Data Link Recording Example
D - DATALINK RECORDING EXAMPLE FOR EXTENDED GFI 03

Defines protocols used by Aircraft Communication Addressing and Reporting System (ACARS) Management Units (MU) defined in ARINC Characteristic 724B and Communications Management Unit (CMU) defined in ARINC Characteristic 758, in their interactions with other onboard avionics equipment.