Demand test descriptions and error codes - Avaya Support

Table 95: Upgrading TN574 DS1 Converter Circuit Packs in a fiber-link to TN1654s —
Duplicated PNC 2 of 2
Steps Comments
Remove the four TN574 DS1 converter
circuit packs from the system.
Replace the TN574 Y-cables with
TN1654 Y-cables.
Replace the removed TN574 DS1
converter circuit packs with TN1654
DS1 converter circuit packs. Prior to
installing the TN1654 boards, review the
prior section, TN1654 Board
Configuration Switch Settings.
If a TN1654 DS1 converter board is
connected to an SNI board, upgrade the
SNI to a TN573B or greater.
Wait for the circuit packs to reset. Red and green LEDs will light and then go out.
Enter change circuit-packs
cabinet#. Update the screen 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. Enter y in Enable
Operation of PNC Duplication
field.
Enter add fiber-link fiber# to
re-add the fiber-link using TN1654 DS1
converter 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 |
b-pnc.
cabinet# represents the cabinet associated with
a DS1 converter board. The change circuit-packs
screen needs to be updated for all four DS1
converter 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 converter
complexes that are being upgraded to TN1654
DS1 converter complexes.
Enter status pnc. If either PNC’s state of health is not “functional”,
consult the PNC-DUP section of the Maintenance
Manual.
384 Maintenance Alarms for Communication Manager, Media Gateways and Servers
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