Nortel Meridian 1 Hardware Replacement Manual page 37

6 Replace the MMDU and attach the 3 cable in the reverse order as
follows:
a. Attach the NT4N92BA to the CD and HD on the new MMDU.
b. Attach the NT4N93BA to the Floppy on the new MMDU.
c. Attach the NT4N95BA power cable.
7 Carefully slide the MMDU into the shelf.
8 Replace the screws.
9 Install Operating Software from Install Disk (
Procedures
(553-2001-320)).
10 Issue the Join CPU command (will initiate a disk to disk copy of
software).
Note: If you replace a NT4N43AA with a NT4N43BA, use the cables
that come with the NT4N43BA.
Replacing equipment
Software Conversion
Hardware Replacement
Page 37 of 250