TDM-CLK (TDM Bus Clock)
Issue 1 May 2002
8-1617555-233-143
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 8-629. Test #574 Board Type Check Test
Error
Code
Tes t
Result Description / Recommendation
2012 ABORT Internal system error
1. Retry the command at 1-minute intervals up to 5 times.
ANY FAIL Stratum-3 clock synchronization is administered for the carrier where 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 ‘‘Replacing the IPSI or
Tone-Clock Circuit Pack’’ on page 8-1666.
PASS The proper Tone-Clock circuit pack code (TN780) is present for Stratum-3
clock synchronization.
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