Panasonic Hybrid IP-PBX Manual page 22

3.1 Installing the IP-EXT16 Card in the Hybrid IP-PBX
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.
Release Lever
3.
Turn the 2 screws clockwise to fix the card in place.
Screws
Note
Make sure the screws are tightened to earth the card securely.
22 Information about IP Proprietary Telephones
Back Board