Nortel Meridian 1 Replacement Manual page 293

7 With the Nortel side facing upward, slide the replacement Security
Device between the security device holder 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.
8 Reinsert the IODU/C into the following slots:
— For NT5D21 Core/Net Modules, insert the IODU/C in slots 17,18,
and 19.
9 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.
10 Insert the Install diskette that corresponds to your CP card and press the
MAN RST button on the CP card.
Replacing equipment
Hardware replacement
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