Software Flow Control

11-2

Received Data Flow Control

11-3

Transmit-Data Flow Control

11-5

12HANDSHAKING, ERROR CONTROL, DATA COMPRESSION, AND THROUGHPUT

Handshaking

12-1

Selective Reject

12-1

V.34

12-3

V.90 Capabilities

12-3

Other Protocols

12-3

x2

12-3

Fast Class (V.FC) Handshaking

12-3

HST

12-4

USR V.32terbo to USR V.32terbo

12-4

Lower-speed V. Protocols

12-5

Error Control

12-5

Error-Control Commands

12-5

V.42 Error Control

12-7

MNP Error Control

12-7

Error Control and Flow Control

12-7

Data Compression

12-8

V.42bis versus MNP5 Data Compression

12-8

Getting Maximum Throughput

12-9

Maximum throughput results when:

12-9

13DISPLAYING QUERYING AND HELP SCREENS

 

Overview

13-1

 

Querying

13-1

 

Displaying Help

13-3

 

 

 

14 TESTING THE CONNECTION

 

 

Overview

14-1

 

Testing the Business Modem using AT&Tn

14-2

 

Analog Loopback Testing

14-3

 

Stopping a Test (AT&T0, ATS18)

14-3

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Image 7
3Com 56K Received Data Flow Control, Transmit-Data Flow Control, Handshaking, Selective Reject, Capabilities, Querying