Nortel Meridian 1 Replacement Manual page 329

8 The message "Database backup complete!" will be displayed, and the
Tools menu will reappear.
9 Remove the 2MB diskette from the IOP/CMDU, but do not reboot the
system at this point.
10 Set the ENB/DIS switch on the IOP/CMDU to DIS.
11 Unhook the locking devices and remove the IOP/CMDU.
12 Locate the round 1/2" diameter IODU/C replacement Security Device.
13 Make sure the 8-digit code on the Keycode diskette matches the 8-digit
code on the Security Device.
14 With the Nortel side facing upward, slide the Security Device between
the black round security device holder on the top right hand corner of the
IODU/C card and the holder clip. Do not bend the clip more than
necessary when inserting the Security Device. Ensure that the Security
Device is securely in place.
15 Ensure that the ENB/DIS switch on the IODU/C you will install is set to
DIS.
16 Insert the IODU/C into slots 17, 18, and 19 in the NT9D11 Core/Network
Module or NT5D21 Core/Net Module.
17 Lock the locking devices by pushing them gently towards the faceplate.
Set the ENB/DIS switch to ENB.
A blinking letter "E" and number "5" displayed indicates that a failure
occurred. In that case, reseat the Security Device in its holder and reinsert
the card.
18 Insert the Install diskette that corresponds to your CP-type into the
IODU/C.
Replacing equipment
Hardware replacement
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