AT&T MERLIN LEGEND Communications System Release 2.0 Maintenance And Troubleshooting Manual page 65

Error Logs, the Access Log, and System Inventory
Table 2-1:- (Continued)
Error
Code Description
4401 USER REQUESTED SYS ERASE:
This error is logged after a System
Erase. lf the System Erase is
successful, this error is removed
immediately.
6C01 DS1 LOSS OF SIGNAL ALARM:
Service on the link has been lost.
DS1 BLUE ALARM:
6C02
All ones being received. Service on the
link has been lost.
DS1 RED ALARM:
6C03
Incoming signal does not have valid
framing information.
Service on the link has been lost.
6C04 DS1 YELLOW ALARM:
The far end of the network interface has
lost frame synchronization.
Service on the link has been lost.
Action
If this error remains in the transient log,
do the System Erase again. If problem
persists, troubleshoot the processor.
Troubleshoot the T1 trunk. If problem
persists, check the CSU and the cable
between the CSU and the 100D
module. If problem persists, escalate to
your technical support organization.
The far end of the network interface is
out-of-service. Troubleshoot the T1
trunk, CSU, and the cable between the
CSU and the 100D module. If problem
persists, escalate to your technical
support organization.
Troubleshoot the T1 trunk. If problem
persists, escalate to your technical
support organization.
Troubleshoot the T1 trunk. If problem
persists, check the CSU and the DS1
configuration (the framing format). If
problem persists, escalate to your
technical support organization.
Continued on next page
Error Logs 2-11