Nortel North American DMS-100 Instruction Manual page 110

Replacing an 8-in. or a 5.25-in. disk drive unit
Summary of Replacing an 8-in. or a 5.25-in. disk drive unit
Busy controller
and take the
DDU off-line
Power down
and disconnect
the DDU
Remove the
DDU
Set DIP switches
on new DDU, if
necessary
Install the
replacement
DDU
Connect the
replacement
DDU
Power up the
replacement
DDU
Busy the
controller card
1
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
1
Start the disk
drive
Test the
replacement
DDU
Create test
volumes
Perform file
transfer tests
Delete test
volumes
Create working
volumes
Return DDU to
service
End
This flowchart summarizes the
procedure.
Use the instructions in the
procedure that follows this
flowchart to perform the
procedure.
1-95
(continued)