DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-667DS1 CONV-BD
9
!
WARNING:
Replacing a Switch Node Interface, Switch Node Clock, Expansion
Interface or DS1 Converter circuit pack on a simplex system disrupts
service. The service effect can range from outage of a single EPN to outage
of the entire system.
!
WARNING:
A DS1 Converter Complex must consist of two TN574 boards or two
TN1654 boards. A TN574 cannot be combined with a TN1654 in the same
DS1 CONV Complex.
Replacing a DS1 CONV Circuit Pack with the
same type DS1 CONV circuit pack
—Duplicated
PNC
!
WARNING:
On a system with duplicated PNC, synchronization may be provided over a
combination of active and standby components. This condition is indicated
by an OFF-BOARD WARNING alarm against TDM-CLK with error type
2305. Repairs to standby PNC in this state may disrupt service. Otherwise,
if the active PNC is functional, replacement of a standby component will not
disrupt service.
Steps Comments
Enter
busyout board
UUCSS UUCSS represents the cabinet-carrier-slot
address of the circuit pack to be replaced.
A G3-MT logged in at the EPN Maintenance
circuit pack will remain active in spite of the
busyout.
Replace the circuit pack with the same
DS1 CONV board type.
Wait for the circuit pack to reset Red and green LEDs will light and then go
out.
Enter
release board
UUCSS
CAUTION:
Do not busyout any Expansion
Interface circuit pack after this point.
Enter
test alarms long clear
for category
exp-intf
.
Wait 5 minutes for SNI-BD, FIBER-LK
AND DS1C-BD alarms to clear, or enter
clear firmware counters a-pnc
