Avaya 03-300430 User Manual

Page of 2574
STRAT-3 (Stratum-3 Clock)
Issue 1 June 2005
2135
 
j. Error Type 1793: this error can be caused by one of the following conditions:
One or both TOCs (Timing Output Cards) has failed.
The connection between the Stratum-3 clock and the TN780 Tone-Clock circuit pack is 
faulty.
The TN780 Tone-Clock circuit pack is defective.
System Technician-Demanded Tests: 
Descriptions and Error Codes
The test synchronization command also runs the Test Synchronization test (#417). Test 
417 is described in 
Stratum-3 Clock Alarm Query (#649)
This test queries the Stratum-3 clock for its alarm status and reports the results of the query. 
The Stratum-3 clock provides the system with the following six alarm indications via the TN780 
Tone-Clock circuit pack:
Reference A failed or CI card A failed.
Reference B failed or CI card B failed.
One power supply failed.
Every power supply failed.
One clock unit failed.
Every clock unit failed.
!
CAUTION:
CAUTION:
The removal of a card in the Stratum-3 clock may cause alarm(s) to be resolved 
and the query test to pass. However, the removed cards should still be replaced 
to restore the Stratum-3 clock to full service.
Order of Investigation
Short Test
Sequence
Long Test
Sequence
D/ND
Stratum-3 Clock Alarm Query (#649)
X
X
ND