User manual
DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si 
555-230-127  
Issue 1
August 1997
Maintenance Object Repair Procedures 
Page 10-1400TONE-BD (Tone-Clock Circuit Pack) 
10
Tone-Clock circuit pack will be in standby mode. Since the replacement 
procedure was not successful, follow normal escalation procedures. If the 
new Tone-Clock circuit pack is able to generate system clocks, there 
will be no system disruption.
8. Place several phone calls.
9. After replacing a Tone-Clock circuit pack in an SPE, if the SPE lock 
switches were set during the procedure, they should be released. 
Additionally, after repairs in an EPN, the set tone-clock PC command 
should be used if required to make the preferred Tone-Clock circuit pack 
active.










