Chapter 6. Diagnostics
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OSU 300 User Manual
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a loopback of all DSX-1 interfaces towards the DTE. See Figure 6-15
for an illustration of this test.
Figure 6-15. DTE Loopback Test
Payload and DTE Loopback
This test is a combination of a payload loopback and a DTE
loopback. All of the near-end and far-end DSX-1 interfaces on the
selected Quad DSX-1 interface card are looped back. See Figure
6-16 for an illustration of this test.
Figure 6-16. Payload and DTE Loopback Test
T3SU 300
T3
DSX-1
Quad DSX-1
DS3 MUX
OSU 300
OSU 300
OSU 300
T3
DSX-1
DSX-1
Quad DSX-1
Quad DSX-1
DS3 MUX
DS3 MUX
Unit in Data Mode
Port in Payload
and DTE Loopback
Summary of Contents for 1200218L1
Page 8: ...viii...
Page 14: ...Table of Contents xiv OSU 300 User Manual 61200663L1 1...
Page 18: ...List of Tables xviii OSU 300 User Manual 61200663L1 1...
Page 24: ...Chapter 1 Introduction 1 6 OSU 300 User Manual 61200663L1 1...
Page 38: ...Chapter 2 Installation and Operation 2 14 OSU 300 User Manual 61200663L1 1...
Page 64: ...Chapter 4 Status 4 8 OSU 300 User Manual 61200663L1 1...
Page 72: ...Chapter 5 Statistics 5 8 OSU 300 User Manual 61200663L1 1...
Page 104: ...Appendix C Acronyms Abbreviations C 4 OSU 300 User Manual 61200663L1 1...
Page 116: ...Appendix D Glossary D 12 OSU 300 User Manual 61200663L1 1...
Page 122: ...Index Index 6 OSU 300 User Manual 61200663L1 1...