Chapter 4. T1 Network Interface
61200610L2-1
TSU 610 User Manual
4-27
Figure 4-13. Network Loopback Tests
Local Loopback
There are two available choices for setting the local
loopback:
No Loopback
Deactivates the loopback.
Scroll to select a setting and record it by pressing
Enter
. The
unit returns to the previous menu level.
Payload Loopback
Activates the payload loopback.
Remote Loopback
This activates the same loopbacks as Local Loopback but at
the far end. It uses either the inband loopup code as
specified by ANSI T1.403 for line loopback (ATT In-Band
LLB), or the FDL as specified in ANSI T1.403 for payload and
line loopback codes. The following options are available:
No Loopback
Deactivates the loopback.
ATT Inband LLB
Activates the line loopback using inband code.
ANSI FDL PLB
Initiates the transmission of an FDL payload loopup code
toward the far end.
Summary of Contents for 1200610L2
Page 20: ...Table of Contents xx TSU 610 User Manual 61200610L2 1...
Page 24: ...List of Tables xxiv TSU 610 User Manual 61200610L2 1...
Page 56: ...Chapter 3 Operation 3 12 TSU 610 User Manual 61200610L2 1...
Page 94: ...Chapter 4 T1 Network Interface 4 38 TSU 610 User Manual 61200610L2 1...
Page 142: ...Appendix B Understanding TR 08 B 4 TSU 610 User Manual 61200610L2 1...
Page 156: ...Appendix E Specifications E 4 TSU 610 User Manual 61200610L2 1...
Page 168: ......