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Contents
iv
MultiModemZPX User Guide
Chapter 6: Solving Problems
Introduction ........................................................................................................................... 49
The Modem Does Not Respond to Commands ............................................................... 49
The Modem Cannot Connect When Dialing .................................................................... 50
The Modem Disconnects While Online ............................................................................. 51
The Modem Cannot Connect When Answering .............................................................. 52
File Transfer Is Slower Than It Should Be ......................................................................... 52
Data Is Being Lost ................................................................................................................. 52
There Are Garbage Characters on the Monitor ................................................................ 53
The Modem Doesn’t Work with Caller ID ........................................................................ 53
Fax and Data Software Can’t Run at the Same Time ...................................................... 53
The Voice Functions Don’t Work ....................................................................................... 53
Voice Mail Test............................................................................................................... 54
Loopback Test ................................................................................................................ 54
Speakerphone Test ........................................................................................................ 54
Appendix A: Regulatory Compliance
FCC Part 68 Telecom ............................................................................................................ 56
FCC Part 15 ............................................................................................................................ 57
Fax Branding Statement....................................................................................................... 57
Canadian Limitations Notice .............................................................................................. 58
Industry Canada ................................................................................................................... 58
Protection Against Contact with TNV Circuit.................................................................. 58
EMC, Safety, and R&TTE Directive Compliance ............................................................. 59
New Zealand Telecom Warning Notice ............................................................................ 59
South African Notice ............................................................................................................60
International Modem Restrictions ...................................................................................... 60
Appendix B: Technical Specifications
.................................................................................. 61
Appendix C: Loopback Tests
Introduction ........................................................................................................................... 63
Local Analog Loopback Test (V.54 Loop 3) ...................................................................... 63
Remote Digital Loopback Test (V.54 Loop 2) ................................................................... 64
Local Digital Loopback Test (V.54 Loop 2) ....................................................................... 65
Appendix D: Warranty, Service, and Technical Support
Limited Warranty ................................................................................................................. 67
Online Warranty Registration ............................................................................................. 67
Service .................................................................................................................................... 67
U.S. and Canadian Customers ..................................................................................... 67
International Customers (outside U.S.A. and Canada) ........................................... 68
International Distributors ............................................................................................. 68
Technical Support ................................................................................................................. 69
Internet Sites .......................................................................................................................... 69