DD ENV 12315-2:1997

1. Scope
    1.1 General
    1.2 Embeddance in ISO-Layer model
2. Normative References (Normative)
3. Definitions (Normative)
    3.1 Definitions
    3.2 Symbols and Abbreviations
4. General Structure: Uplink Data Set (Normative)
    4.1 Overall Structure
    4.2 Format of the Telegram
    4.3 Contents of the Telegram
    4.4 Autonomous Parts during a Journey
    4.5 A telegram cannot be sent
5. Data Organization Structure (Telegram Format)
    (Normative)
6. General Data Table (ID 0) (Normative)
    6.1 General
    6.2 Data Coding
7. Route Description Table (ID 1) (Normative)
    7.1 General
    7.2 Data Coding
8. Measurements Table (ID 2) (Normative)
    8.1 General
    8.2 Data Coding
9. Maintenance Table (ID 3) (Normative)
    9.1 General
    9.2 Data Coding
10. Evaluation Table (ID 4)
    10.1 General
    10.2 Data Coding
11. Checksum Table (ID 63) (Normative)
    11.1 General
    11.2 Data Coding
    11.3 Checksum Algorithm
Annex A Limitations (Normative)
Annex B Fixed Codings (Normative)
Annex C Summary of Tables (Normative)

Specifies the data telegram containing the measurement values transmitted from the vehicles to the beacons. The data described corresponds to the downlink specification for route guidance information (RGI) application.