Avaya Definity SI Maintenance Manual page 236

Reliability Systems: A Maintenance Aid
Is the
1B CARRIER
TONE CLOCK
"in" service and
"standby"?
NO
Restore the 1B
TONE CLOCK to "in"
service (Refer to the
TONE-BD section of
the maintenance
manual,
555-204-105)
Figure 6-2. Page 2 Procedure for Replacing Standby SPE Circuit Packs
6-32 Issue 4 May 2002
YES
Is the
1B CARRIER
NO
YES
TONE CLOCK
"in" service and
"active"?
YES
Issue the "set tone
1b" command to
make it "active"
A
Is the
defective circuit
pack the carrier A
DUPINT?
NO
Is the
Throw new DUPINTs
defective circuit
YES
SPE select switch to
pack either of the
DUPINTs?
NO
D
hard-select the
active SPE
555-233-123