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Status ........................................................................................................................ 26
Basic Options .......................................................................................................... 27
Advanced Options ................................................................................................. 28
Remote Configuration Options ............................................................................ 29
Diagnostic Options ................................................................................................. 30
Phone Number Memory Options ........................................................................ 30
Caller ID Options ................................................................................................... 30
Chapter 4: AT Commands, S-Registers & Result Codes
Introduction ........................................................................................................................... 32
AT Commands ...................................................................................................................... 33
S-Registers.............................................................................................................................. 49
Result Codes .......................................................................................................................... 53
Chapter 5: Remote Configuration
Introduction ........................................................................................................................... 58
Basic Procedure ..................................................................................................................... 58
Setup ....................................................................................................................................... 58
Changing the Remote Configuration Password ....................................................... 58
Changing the Remote Escape Character .................................................................... 59
Chapter 6: Callback Security
Introduction ........................................................................................................................... 62
Setup Procedures .................................................................................................................. 62
Turning Callback Security On and Off ....................................................................... 62
Assigning Callback Passwords .................................................................................... 63
Assigning Callback Phone Numbers .......................................................................... 64
Calling Procedure ................................................................................................................. 65
Callback Security Commands ............................................................................................. 65
Chapter 7: Leased Line Operation
Introduction ........................................................................................................................... 70
Two-Wire Setup .................................................................................................................... 70
Four-Wire Setup.................................................................................................................... 71
Dial Backup and Leased Line Restoral .............................................................................. 72
Dial Backup and Leased Line Restoral Setup ................................................................... 72
Chapter 8: Solving Problems
Introduction ........................................................................................................................... 76
None of the Indicators Light ............................................................................................... 76
The Modem Does Not Respond to Commands ............................................................... 77
The Modem Dials But Cannot Connect ............................................................................. 78
The Modem Disconnects While Online ............................................................................. 79
The Modem Cannot Connect When Answering .............................................................. 80
File Transfer Is Slower Than It Should Be ......................................................................... 80
Data Is Being Lost ................................................................................................................. 81
There Are Garbage Characters on the Monitor ................................................................ 81
The Modem Doesn’t Work with Caller ID ........................................................................ 81
Fax and Data Software Can’t Run at the Same Time ...................................................... 82