Chapter 6. Diagnostics
6-8
OSU 300 User Manual
61200663L1-1
#x Payload Loopback
During this test, all payload information on the selected DSX-1
interface is reframed and looped back towards the DTE. See Figure
6-10 for an illustration of this test.
Figure 6-10. T1 Payload Loopback Test
#x Framer Loopback
During this test, all information from the network side (DS3) for the
selected DSX-1 interface is looped back towards the network. See
Figure 6-11 for an illustration of this test.
Figure 6-11. Framer Loopback Test
OSU 300
T3
DSX-1
Quad DSX-1
DS3 MUX
F
ramer/F
or
matter
Jitter Atten
uator
Elastic Store
OSU 300
T3
DSX-1
Quad DSX-1
DS3 MUX
F
ramer/F
or
matter
Jitter Atten
uator
Elastic Store
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...