1 Scope
2
Normative references
3
Definitions
4
Requirements
4.1 Network simulator
4.2 DTEs
4.2.1 Functions
4.2.2 Interface requirements
4.2.3
Port rate requirements
4.2.4 DTE transmission performance
4.2.5 Flow control
4.3 Modems
4.3.1 Compression mode
4.3.2 Flow control
4.3.3 Forced
modes of operation
4.4 Indication of establishment of connection
5
Network model coverage considerations
6
Test procedures
6.1 Throughput versus network model coverage
6.1.1 File-based with compression
6.1.1.1 Overview
6.1.1.2 DTE configuration
6.1.1.3 Modem configuration
6.1.1.4 Network simulator configuration
6.1.1.5 Test procedure
6.1.1.6 Results
6.1.2 File-based without compression
6.1.2.1 Overview
6.1.2.2 DTE configuration
6.1.2.3 Modem configuration
6.1.2.4 Network simulator
configuration
6.1.2.5 Test procedure
6.1.2.6 Results
6.1.3 Pattern-based without compression
6.1.3.1 Overview
6.1.3.2 DTE configuration
6.1.3.3 Modem configuration
6.1.3.4 Network simulator
configuration
6.1.3.5 Test procedure
6.1.3.6 Results
6.2 Throughput versus file type
6.2.1 Overview
6.2.2 DTE configuration
6.2.3 Modem configuration
6.2.4 Network simulator configuration
6.2.5 Test procedure – One-way transfer
6.2.6 Test procedure – Two-way transfer
6.2.7 Results
6.3 Error ratio versus network model coverage
6.3.1 Bit- and block-error ratio versus network
model coverage
6.3.1.1 Overview
6.3.1.2 DTE configuration
6.3.1.3 Modem configuration
6.3.1.4 Network simulator configuration
6.3.1.5 Test procedure
6.3.1.6 Results
6.3.2 Message-error ratio versus network model
coverage
6.3.2.1 Overview
6.3.2.2 DTE configuration
6.3.2.3 Modem configuration
6.3.2.4 Network simulator
configuration
6.3.2.5 Test procedure
6.3.2.6 Results
6.4 Connect reliability versus test loop combinations
6.4.1 Overview
6.4.2 DTE configuration
6.4.3 Modem configuration
6.4.4 Network simulator configuration
6.4.5 Test procedure
6.4.6 Results
6.5 Character echo delay
6.5.1 Overview
6.5.2 DTE configuration
6.5.3 Modem configuration
6.5.4 Network simulator configuration
6.5.5 Test procedure
6.5.6 Results
6.6 Block acknowledge delay
6.6.1 Overview
6.6.2 DTE configuration
6.6.3 Modem configuration
6.6.4 Network simulator configuration
6.6.5 Test procedure
6.6.6 Results
Annex A – DTE verification
procedures
Annex B – Description of data
files
Appendix I – Characteristics of data
files
Appendix II – Determination of
reference throughput values
Appendix III – Error rate
estimation
III.1 Definitions
III.2 Test duration
III.3 Application to bit-error rate
III.4 Application to block-error rate
III.5 Procedure
III.6 Cautions
III.7 Bibliography
Appendix IV – Data reporting format
and interpretation of results
IV.1 Throughput versus network model coverage
IV.2 Throughput versus file type
IV.3 Error ratio versus network model coverage
IV.4 Connect reliability versus test loop combinations
IV.5 Character echo delay
IV.6 Block acknowledge delay
Appendix V – Call initiation
considerations
V.1 Duplex bandsplitting modems
V.2 Duplex echo-cancelling modems
V.3 Normative test procedure rationale
Appendix VI – RTS/CTS flow
control
Appendix VII – Modem overview
VII.1 Review of modem functionality
VII.2 Operating modes
VII.2.1 Synchronous mode
VII.2.2 Direct mode
VII.2.3 Buffered mode
VII.2.4 Error control mode
VII.2.5 Compression mode
Appendix VIII – Circuit identification
cross-reference