Panasonic KX-TDE100 Getting Started page 13

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3.
Turn the 4 screws clockwise, in the order indicated by the numbers 1 to 4, to fix the PSU.
Installing the Trunk/Extension Cards
1.
Insert the card along the guide rails.
2.
Holding the card as shown below, push the release lever in the direction of the arrow so that the card
engages securely with the connector on the back board.
3.
Turn the 2 screws clockwise to fix the card in place.
Be sure to cover each slot in which no optional service card is installed by using a Blank Slot Cover. For details,
refer to "Covering the Blank Slots" in "3.2.7 Installing/Removing the Optional Service Cards" of the Installation
Manual.
Release Lever
Guide Rail
Release
Lever
Guide Rail
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Back Board
Screws
Back Board
Screws
Getting Started for Physical Cards
2.3 Installing the Option Units
3 2
4
1
13