Maintenance-Object Repair Procedures
555-233-143
8-834 Issue 1 May 2002
f. This error indicates problem with the control path from the neighbor.
g. This error indicates problem with the circuit path from the neighbor.
h. This error indicates problem with the packet path from the neighbor.
For note b and notes d through h, perform the following steps:
1. Perform the ‘‘Fault Isolation for Fiber Links’’.
2. Enter display errors and if any of the slip errors listed below exist, follow
the associated repair procedures in the SYNC section for slip errors.
System Technician-Demanded Tests:
Descriptions and Error Codes
Always investigate tests in the order presented in the table below when inspecting
errors in the system. For example, by clearing error codes associated with the EI
Out-of-Frame Query test (#238), you may also clear errors generated by other
tests later in the sequence.
Table 8-320. Error Log Entries for Slip Errors
Circuit Pack Name Error Log Name Error Log Entry for Slips
DS1 Interface DS1-BD 3073 to 3160
Expansion Interface EXP-INTF 2305
SNI SNI-BD 1537
Tone-Clock TDM-CLK 1025
UDS1 Interface UDS1-BD 3073 to 3160
Table 8-321. Tests Run for an EI-to-EI Fiber Link
Order of Investigation
Short Test
Sequence
Long Test
Sequence
Reset Fiber
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
EI Out-of-Frame Query test (#238) X X ND
EI Neighbor Query test (#237) X X ND
Fiber Link Reset test (#768) X D
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