1
Scope
2 References
3 Definitions
4 Abbreviations
5 GPAD framework
5.1 Assumptions
6 General configuration
6.1 Data stations
6.2 Transmission considerations
6.3 Protocol sequence
7 Elements of procedure
7.1 Definition of PDUs and PDU
components
7.2 Procedures
7.3 Full/Half-duplex considerations
7.4 Timeout function considerations
7.5 Link end points association
7.6 Error detection and recovery
7.7 Addressing conventions
8 Structure and encoding of Protocol
Data Units (PDUs)
8.1 PDU types
8.2 Data transparency
9 Classes of procedures
9.1 X.42 PAD configuration
9.2 Normal Poll Mode class
9.3 Selective Poll Mode class –
Description of procedures
9.4 Poll priority mode class
9.5 Encapsulation Mode Class – Description
and procedures
10 Proxy operation
Annex A – Point to
Multipoint (PMP) network
Annex B – Explanatory
notes on the implementation of frame check sequences
B.1 Longitudinal Redundancy Check
(LRC)
B.2 Diagonal Redundancy Check (DRC)
Annex C
Annex D – Proxy
Operation – X.42 PAD with proxy terminal IP code
Appendix
I