Converting The Hardware - Nortel Meridian 1 Manual

Converting the hardware

Continuing with the upgrade will disrupt system operation. Minimal
service can be maintained if a power failure transfer unit (PFTU) is
installed.
1 Set ENB/DIS switches on all CE cards to DIS.
2 Set all shelf circuit breakers to OFF.
3 Disconnect all network loop cables connected to the NT8D04 Network
cards and cables connected to the SDI cards.
4 Disconnect and remove any remaining cables connected to cards in the
CE shelf.
5 Remove remaining cards from the CE shelf and store them in a safe
place.
Upgrade system installation Upgrading to Meridian 1 system options
Meridian 1 option 51 upgrades
CAUTION
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