User manual

DEFINITY ECS Release 8.2 Maintenance for R8.2csi 555-233-119 Issue 1
April 2000
Maintenance Objects
3-1135TONE-BD (Tone-Clock Circuit Pack)
3
set expansion-interface
command when investigating an EPN
Tone-Clock.) If the interchange attempt fails due to other errors,
resolve those problems first.
4. Interchange the Tone-Clock circuit packs using the
set tone-clock
PC
command. If the command succeeds, the interchange which
previously failed has been accomplished and the problem has
been satisfactorily resolved. If it fails, proceed to the next step. (You
may want to proceed in any case to definitively test all relevant
components.)
5. Interchange the t/c selector using
set expansion-interface
if
investigating an EPN. If errors prevent this interchange, resolve
them first.
6. Attempt again to interchange Tone-Clocks with the
set tone-clock
PC
command.
— If the Tone-Clock interchange failed for both t/c selectors:
Replace the standby Tone-Clock circuit pack which could
not be interchanged into and return to this step. (See ‘‘How
to Replace a Tone-Clock Circuit Pack’’.) Test the new circuit
pack as follows:
a. Execute the set tone-clock PC command.
b. Execute a set expansion-interface, if this is an EPN
Tone-Clock.
c. Execute the set tone-clock PC command again.
If these commands successfully complete, the problem has
been resolved.
— If these commands successfully complete, the problem has
been resolved.
— If the Tone-Clock circuit packs successfully interchange
when one EXP-INTF is active, but not when the other one is:
The t/c-selector circuit pack on the failing side is suspect.
a. Replace the A carrier DUPINT or EXP-INTF board that is
active when the Tone-Clock interchange fails.
b. Make sure the new t/c selector is active and execute the set
tone-clock PC command.
— If both Tone-Clocks can be interchanged, and interchanges
succeed when either t/c selector is active, the problem has
been resolved. If the problem persists after following the
above steps, follow normal escalation procedures.
n. Error Type 3840
This error is not service-affecting and can be ignored. It
indicates that the circuit pack has received a bad control message from
the switch.