Avaya S8700 Maintenance Manual page 1416

Maintenance-Object Repair Procedures
Upgrading TN574 DS1 CONV Circuit Packs in a fiber-link to
Table 8-268.
TN1654s—Duplicated PNC
Steps
Enter busyout fiber-link <fiber #>
Enter remove fiber-link <fiber #>
Remove the four TN574 DS1 CONV circuit packs
from the system.
Replace the TN574 Y-cables with appropriate
TN1654 Y-cables.
Replace the removed TN574 DS1 CONV circuit
packs with TN1654 DS1 CONV circuit packs.
Prior to installing the TN1654 boards, review the
prior section, TN1654 Board Configuration
Switch Settings.
If a TN1654 DS1 CONV board is connected to an
SNI board, upgrade the SNI to a TN573B or
greater.
Wait for the circuit packs to reset
Enter change circuit-packs <cabinet #>.
Update the form to show that TN1654 boards are
now being used instead of TN574 boards. Also
update the connected SNI, if applicable, to suffix
B.
Enter change system-parameters duplication.
Change the Enable Operation of PNC
Duplication? field to y.
Enter add fiber-link <fiber #> to re-add the
fiber-link using TN1654 DS1 CONV circuit packs.
Enter test alarms long clear for category
exp-intf.
Wait 5 minutes for SNI-BD, SNI-PEER,
FIBER-LK and DS1C-BD alarms to clear, or enter
clear-firmware counters <a-pnc or b-pnc>
Enter status pnc
8-694 Issue 1 May 2002
— Continued
Comments
fiber # represents the fiber-link number
associated with the TN574 DS1 CONV
complexes that are being upgraded to TN1654
DS1 CONV complexes.
Red and green LEDs will light and then go out.
cabinet # represents the cabinet associated
with a DS1 CONV board. The appropriate
change circuit-packs form needs to be updated
for all four DS1 CONV boards. Also, if needed,
re-add translations for connected EI boards.
Enable PNC duplication.
fiber # represents the fiber-link number
associated with the TN574 DS1 CONV
complexes that are being upgraded to TN1654
DS1 CONV complexes.
If either PNC's state of health is not
"functional", consult the PNC-DUP section of
the Maintenance Manual.
Continued on next page
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