Maintenance Object Repair Procedures
555-233-123
10-1734 Issue 4 May 2002
Board Type Check Test (#574)
This test verifies that a Tone-Clock circuit pack administered with a Stratum 3
Clock source has code TN780.
Table 10-640. TEST #574 Board Type Check Test
Error
Code
Te s t
Result Description/Recommendation
2012 ABORT Internal System Error
1. Retry the command at 1-minute intervals a maximum of 5
times.
ANY FAIL Stratum 3 Clock Synchronization is administered for the
carrier in which this Tone-Clock circuit pack resides, but the
Tone-Clock does not have code TN780.
1. If the Stratum 3 Clock option is incorrectly administered,
remove it.
2. Otherwise, replace the circuit pack. See How to Replace
the Tone-Clock Circuit Pack in the TONE-BD section.
PASS The proper (TN780) Tone-Clock circuit pack code is present
for Stratum 3 Clock synchronization.
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