Panasonic KX-TDA100 Getting Started page 10

2.3 Installing the Option Units
CAUTION
To protect the back board from static electricity, do not touch parts on the back board in the main
unit, PSU, and on the optional service cards. To discharge static electricity, touch ground or wear
an earthing strap. Make sure the screws are tightened to earth the card securely.
Installing the Power Supply Unit
1.
Insert the PSU along the guide rails.
2.
Push the release lever in the direction of the arrow, so that the PSU engages securely with the
connector on the back board.
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.
10 Getting Started
Release Lever
Guide Rail
Release
Lever
Guide Rail
Back Board
Screws
Back Board
Screws
3 2
4
1