Planning For An Upgrade - Nortel Meridian Meridian 1 Implementation Manual

Keycode security
A keycode protects against unauthorized MICB feature use. The
keycode restricts upgrades of either the number of ports or application
software to a given MICB card. Nortel Networks tracks the keycodes to
allow for accurate handling of field repairs and incremental upgrades.
Keycodes are required for the following upgrades:
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Keycodes are not required for the following:
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Nortel Networks provides the customer with a keycode to enable
installation of any required upgrade. Enter the keycode using the
Command Line Interface from the local maintenance port on the MICB
card. The keycode is 24 characters long; enter it in three sets of eight
digits each called keycode1, keycode2, and keycode3.

Planning for an upgrade

When preparing for an upgrade, consider the following items:
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Meridian Integrated Conference Bridge
feature enhancements
new applications
port additions
backup and restore operations
application patching/bug fix
Always back up the site data, before beginning an upgrade.
The BUI IP address will change during a card upgrade. Make sure
that you are using the new MICB IP address entered from the
maintenance terminal when accessing the BUI after an upgrade.
The password policy has been modified for MICB3. For more
information, see "Appendix A: Password security" on page
If the upgrade requires the replacement of an NT5D51AB card with
an NT5D51AC card, the card should be replaced first. The new card
must be tested with Release 2 software. Once the tests are
completed, the MICB can be upgraded to Release 3.
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