Multitech MultiModemDSVD User Manual page 6

MultiModemDSVD User Guide
Chapter 4: AT Commands, S-Registers & Result Codes
AT Commands ...................................................................................................................... 26
AT Command Summary ..................................................................................................... 27
Voice Commands .................................................................................................................. 42
S-Registers .............................................................................................................................. 44
Result Codes .......................................................................................................................... 48
Chapter 5: Solving Problems
Introduction ........................................................................................................................... 52
None of the Indicators Light ............................................................................................... 52
The Modem Does Not Respond to Commands ............................................................... 53
The Modem Dials But Cannot Connect ............................................................................. 54
The Modem Disconnects While Online ............................................................................. 55
The Modem Cannot Connect When Answering .............................................................. 56
File Transfer Is Slower Than It Should Be ......................................................................... 56
Data Is Being Lost ................................................................................................................. 56
There Are Garbage Characters on the Monitor ................................................................ 57
The Modem Doesn't Work with Caller ID ........................................................................ 57
Fax and Data Software Can't Run at the Same Time ...................................................... 57
Appendix A: Regulatory Compliance
FCC Part 68 Telecom ............................................................................................................ 60
Fax Branding Statement ....................................................................................................... 61
Canadian Limitations Notice .............................................................................................. 62
International Modem Restrictions ...................................................................................... 62
Commission Decision CTR21 .............................................................................................. 62
EMC and Safety Compliance .............................................................................................. 63
New Zealand Telecom Warning Notice ............................................................................ 63
Appendix B: Technical Specifications
Appendix C: Loopback Tests
Introduction ........................................................................................................................... 69
Local Analog Loopback Test (V.54 Loop 3) ...................................................................... 69
Remote Digital Loopback Test (V.54 Loop 2) ................................................................... 70
Local Digital Loopback Test (V.54 Loop 2) ....................................................................... 71
Appendix D: Warranty, Service, and Technical Support
Limited Warranty ................................................................................................................. 73
Service .................................................................................................................................... 73
Technical Support ................................................................................................................. 74
Online Warranty Registration ............................................................................................. 74
The Multi-Tech BBS .............................................................................................................. 74
Multi-Tech on the Internet ................................................................................................... 75
Ordering Modem Accessories ............................................................................................ 76
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To Log on to the Multi-Tech BBS ................................................................................ 74
To Download a File ....................................................................................................... 74
.................................................................................. 65