Nortel Voice Mail Software Manual page 29

Hard disk drive location
Hard disk drive
7. Disconnect the power supply wiring and ribbon cable from the hard disk
drive. If another hard disk drive is installed, its wiring and cabling must also
be disconnected.
8. The hard disk drives are held by a bracket attached to the module wall. Undo
the two nylon fasteners at the top and bottom of the bracket by grasping each
fastener and gently pulling it away from the module wall. The fastener moves
out from the module wall, but remains attached to the bracket.
CAUTION
Ensure the hard disk drive bracket does not fall onto the module components.
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Upgrading a Norstar Voice Mail system with a 270 MB hard disk drive 29
Norstar Voice Mail 4.1 Software Upgrade Guide