DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures

Page10-1422TDM-CLK (TDM Bus Clock)

10
Standby Reference Health Check Test (#651)

This test evaluates the quality of the external synchronization timing source for a

standby Tone-Clock circuit pack. All administered synchronization timing

sources must be valid for this test to pass. If the tone-clock circuit pack and the

synchronization timing sources are in different port networks, the EI circuit packs

transport the timing sources to the tone-clock.

PASS The proper (TN780) Tone-Clock circuit pack code is present for Stratum 3
Clock synchronization.
Table 10-436. TEST #651 Standby Reference Health Check Test
Error
Code Test
Result Description/ Recommendation
ABORT This test may already be running due to a tone- clock i nstal lati on, s cheduled
maintenance, alarm activity, or a technician-demand test from another
terminal. This abort can also occur due to an internal system error.
1. Try the command again at 1-minute intervals up to five times.
1184 ABORT This test requires an external synchronization source to be administered
(DS1 primary, DS1 primary and secondary, or Stratum 3 Clock).
1. Administer the external synchronization source and retry the test.
2500 ABORT I nternal System Error
1. Try the command again at 1-minute intervals up to 5 times.
Continued on next page
Table 10-435. TEST #574 Board Type Check Test — Continued
Error
Code Test
Result Description/ Recommendation
Continued on next page