Panasonic KX-NS500 - Page 103

To remove a slot cover
1. Remove the top cover.
Refer to "Opening the Top Cover" in "4.2.3 Opening/Closing the Top Cover".
2. From the inside, push the tab of the slot cover to the right and push out the left edge of the slot cover.
Tab
Installation Manual 103
4.2.5 Installing/Removing the Optional Service Cards