B-10
Compact T1 - Release 6.1
Diagnostices & Troubleshooting
Loopbacks Overview
Receiving DS1 CSU Loop
Causes a line Loopback. Loopup code sent by remote unit or network. Occurs at
local DS1 CSU. Have DS1 vendor check for framing/errors.
Enable Detection of CSU Loopcode
Enable detection of CSU loop code (10000 for loopup; 100 for loopdown).
> set a:1 loopdetect on
OK
View Status of Loopback
> show a:1
SLOT A:
Settings for DS1 1:
Circuit ID: DS1# A:1
Up/Down: UP
Framing: ESF
Line Coding: B8ZS
Line Build Out: DSX-1 EQUALIZATION FOR 0-133 ft.
(CSU 0dB)
Loop Code Detection: ON (Default)
Loopback: OFF
FDL Type: None
T1
Adit 600
Local
DCE
V.35
Loopup Code Sent by Remote Unit
Signal Not Reframed
Local
DTE
FXS
Telephone
DS1
Network
CSU Loopup
Code
Compact T1
Summary of Contents for Compact T1 MT850A
Page 2: ...Supporting Software Version Controller 6 1 IP Router 1 6 CMG Router 2 0 ...
Page 84: ...4 22 Compact T1 Release 6 1 Configuration Setup of DS0 Management Channel ...
Page 85: ...CHAPTER CLI Commands In this Chapter n Command Line Interface Help n CLI Commands ...
Page 370: ...5 286 Compact T1 Release 6 1 CLI Commands telnet ...
Page 384: ...6 14 Compact T1 Release 6 1 T1 Controller Card TR 08 Mode 1 ...
Page 394: ...7 10 Compact T1 Release 6 1 FXO Voice Card Channel Associated Signaling CAS Conversions ...
Page 416: ...9 12 Compact T1 Release 6 1 ISDN BRI Card Connector Pinouts ...
Page 432: ...10 16 Compact T1 Release 6 1 OCU DP Card Connector Pinouts ...
Page 444: ...11 12 Compact T1 Release 6 1 Power Supply Replacing a Power Supply ...
Page 474: ...13 18 Compact T1 Release 6 1 Router IP Card LEDs ...
Page 498: ...14 24 Compact T1 Release 6 1 Router CMG Card LEDs ...
Page 518: ...16 10 Compact T1 Release 6 1 Maintenance Hot Swap Service Card ...
Page 528: ...A 10 Compact T1 Release 6 0 SNMP Interface SNMP Trap Reports ...
Page 572: ...Glossary 14 Compact T1 Release 6 1 Glossary VC ...
Page 590: ...Index 18 Compact T1 Release 6 1 Index W ...
Page 591: ......