MultiModemDSVD User Guide

Contents

Chapter 4: AT Commands, S-Registers & Result Codes

 

AT Commands

23

AT Command Summary

24

Voice Commands

39

S-Registers

41

Result Codes

45

Chapter 5: Solving Problems

 

Introduction

49

None of the Indicators Light

49

The Modem Does Not Respond to Commands

50

The Modem Dials But Cannot Connect

51

The Modem Disconnects While Online

52

The Modem Cannot Connect When Answering

53

File Transfer Is Slower Than It Should Be

53

Data Is Being Lost

53

There Are Garbage Characters on the Monitor

54

The Modem Doesn’t Work with Caller ID

54

Fax and Data Software Can’t Run at the Same Time

54

Appendix A: Regulatory Compliance

 

FCC Part 68 Telecom

56

FCC Part 15

57

Industry Canada

57

Fax Branding Statement

58

Canadian Limitations Notice

58

EMC, Safety, and R&TTE Directive Compliance

59

International Modem Restrictions

59

New Zealand Telecom Warning Notice

59

South African Notice

60

Appendix B: Technical Specifications

61

Appendix C: Loopback Tests

 

Introduction

64

Local Analog Loopback Test (V.54 Loop 3)

64

Remote Digital Loopback Test (V.54 Loop 2)

65

Local Digital Loopback Test (V.54 Loop 2)

66

Appendix D: Warranty, Service, and Technical Support

 

Limited Warranty

68

Online Warranty Registration

68

Service

68

North American Products

68

International Products

69

Technical Support

69

Internet Sites

70

Ordering Accessories

70

iv

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Multi-Tech Systems MT5600DSVD manual AT Commands, S-Registers & Result Codes