Multi-Tech Systems MT2834MR6 User Manual

Page 4

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3.13 Escape Sequences .............................................................................. 52
3.14 Remote Configuration Commands ....................................................... 53
3.15 Line Probe Commands ........................................................................ 54
3.16 Diagnostic Commands ......................................................................... 55

Chapter 4 - S-Registers .................................................................................... 56

4.1

Introduction ........................................................................................... 57

4.2

S-Registers .......................................................................................... 57

4.3

Reading and Assigning S-Register Values ........................................... 63

4.3.1

Examples of Assigning Values ........................................................... 63

4.3.2

Examples of Reading Values .............................................................. 63

4.4

AT Commands Affecting S-Registers ................................................... 64

Chapter 5 - Error Correction, Data Compression & Speed Conversion ..... 65

5.1

Introduction ........................................................................................... 66

5.2

How V.42 Detects and Corrects Errors ................................................ 67

5.3

Data Compression ............................................................................... 68

5.4

MNP Classes ........................................................................................ 68

5.5

V.42 Mode Select Command (#L) ......................................................... 69

5.5.1

#L0 Command ..................................................................................... 69

5.5.1.1

Originate Mode ................................................................................ 69

5.5.1.2

Answer Mode ................................................................................... 69

5.5.2

#L1 Command ..................................................................................... 69

5.5.3

#L2 Command .................................................................................... 69

5.5.4

#L3 Command ..................................................................................... 69

5.6

Modes of Operation .............................................................................. 70

5.6.1

Non-Error Correction Mode (&E0) ........................................................ 70

5.6.2

Reliable Mode (&E2) ........................................................................... 70

5.6.3

Autoreliable Mode (&E1) ..................................................................... 70

5.7

Flow Control ......................................................................................... 71

5.8

Modem-Initiated Flow Control ............................................................... 72

5.8.1

XON/XOFF Flow Control (&E5) ........................................................... 72

5.8.2

Hardware Flow Control (&E4) .............................................................. 72

5.9

Pacing (&E13) ...................................................................................... 73

5.9.1

XON/XOFF Pass-Through (&E7) ........................................................ 73

5.9.2

Non-Error Correction Mode Flow Control (&E10 and &E11) ................. 73

5.9.3

Hewlett Packard ENQ/ACK Pacing (&E9) ........................................... 73

5.10 Compression, Error Correction, Flow Control,

and Pacing Commands ........................................................................ 74

5.10.1 V.42 Error Correction Modes .............................................................. 74
5.10.2 Modem-Initiated Flow Control ............................................................. 74
5.10.3 XON/XOFF Pass-Through .................................................................. 74
5.10.4 Hewlett Packard ENQ/ACK Pacing ..................................................... 74
5.10.5 Non-Error Correction Mode Flow Control ............................................. 74

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