Chapter 4. Testing and Troubleshooting
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DSU III TDM User Manual
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REMOTE UNIT DIAGNOSTICS
The
R
EMOTE
U
NIT
submenu allows a remotely installed DSU to be placed into
loopback. Establish a call before performing any remote diagnostics. See Table
4-2 for selections.
Test Patterns
The test selections with test patterns use the internal pattern generator of the
DSU III TDM to transmit and verify a test pattern over the DDS network; see
Figure 4-16 on page 4-21. The remote unit is placed in RDL automatically. The
DSU III TDM is capable of transmitting six test patterns with its built-in test
pattern generator. For more information on the test patterns see the section
DTE With Test Pattern on page 4-13.
Table 4-2. Remote Tests Selections
Front Panel
Description
1=2047 PATTERN
Standard 2047 random data pattern
2=511 PATTERN
Standard 511 random data pattern
3=STRESS PTRN #1
DDS Stress Pattern #1
4=STRESS PTRN #2
DDS Stress Pattern #2
5=STRESS PTRN #3
DDS Stress Pattern #3
6=STRESS PTRN #4
DDS Stress Pattern #4
7=DATA FROM DTE
Data from DTE
8=PORT RDL
Selects port to be looped back to the far end.
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Страница 12: ...xii DSU III TDM User Manual 61200063L1 20 Table of Contents Appendix F Glossary F 1 Index 1...
Страница 16: ...xvi DSU III TDM User Manual 61200063L1 20 List of Tables...
Страница 24: ...Chapter 1 Introduction 1 8 DSU III TDM User Manual 61200063L1 20...
Страница 44: ...Chapter 3 Operation 3 14 DSU III TDM User Manual 61200063L1 20...
Страница 72: ...Chapter 4 Testing and Troubleshooting 4 28 DSU III TDM User Manual 61200063L1 20...
Страница 86: ...Chapter 7 Configuring DTE Options 7 8 DSU III TDM User Manual 61200063L1 20...
Страница 90: ...Chapter 8 Configuring Test Options 8 4 DSU III TDM User Manual 61200063L1 20...
Страница 108: ...Appendix A Pinouts A 6 DSU III TDM User Manual 61200063L1 20...
Страница 112: ...Appendix B Configuration Profiles B 4 DSU III TDM User Manual 61200063L1 20...
Страница 114: ...Appendix C DSU to Modem Interconnect C 2 DSU III TDM User Manual 61200063L1 20...
Страница 116: ...Appendix D EIA 232 Connector D 2 DSU III TDM User Manual 61200063L1 20...
Страница 120: ...Appendix E Specifications Summary E 4 DSU III TDM User Manual 61200063L1 20...
Страница 130: ...Appendix F Glossary F 10 DSU III TDM User Manual 61200063L1 20...
Страница 136: ...Index 6 DSU III TDM User Manual 61200063L1 20 Index...