Introduction
1. General
1.1 Scope
1.2 Normative references
2. Definitions
3. Physical properties
3.1 Electrical interface
3.2 Optical interface
4. Character transmission
4.1 Type of transmission
4.2 Transmission speed
4.3 Signal quality
4.4 Character format
4.5 Character code
4.6 Character security
5. Data transmission protocol
5.1 General
5.2 Calculation of the block check character
5.3 Message definitions
5.4 Communication modes
5.5 Syntax diagrams
5.6 Dataset structure
Figures
1 Circuit diagram
2 Construction of the reading head
3 Characteristic data of the magnet
4 View into optical port
5 Test arrangement for the transmitter
6 Test arrangement for the receiver
7 Electrical characteristics
8 Setting up a block check character (example
according to ISO 1155)
C.1 Example of channel types
C.2 Register coding diagram
Annexes
A. Flow chart for direct local data exchange protocol,
mode C
B. Provision for battery-operated tariff devices
C. Formatted codes