Reference Guide for the Model XM128 ISDN Digital Modem
Contents
ix
Chapter 10
Troubleshooting
Power-on Self-test
........................................................................................................
10-1
Loopback Tests
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10-2
ISDN Loopback test (AT&T9)
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10-2
Loopback with Self-test (AT&T10)
..........................................................................
10-2
B1/B2 Loopback with Self-test
...............................................................................
10-3
The Diagnostic Command
............................................................................................
10-3
Modem Reset
.........................................................................................................
10-4
Using The Embedded Protocol Analyzer
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10-4
Setting up the Embedded EPA
........................................................................
10-5
Capturing the Protocol Data
............................................................................
10-5
Analyzing the Captured Data
...........................................................................
10-6
...............................................................................................................................
10-8
Appendix A
Technical Specifications
General Specifications
...................................................................................................
A-1
Appendix B
Security Functions
Security Types and Levels
.............................................................................................
B-1
Level 1 Security
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B-2
Level 2 Security
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B-2
Level 3 Security
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B-3
Setting and Modifying Passwords
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B-3
Nonpassword Auto Callback Function
...........................................................................
B-4
Appendix C
AT Command Set Reference
Operation Mode of the DTE Interface
............................................................................
C-1
Simplex Mode
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C-1
AT Command Descriptions
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C-2
Description of ATI3 Output
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C-7