Panasonic KX-HTS Series Manual page 34

3.2.5 Installing/Removing the Optional Service Cards
2. Position the card in the open slot, making sure that the tabs on the both sides of the card fit into place.
Then, holding the card firmly in place, lower the rear end so that the holes of the card are aligned with the
screw holes.
3. Insert the spacers (①) into the holes on the card, and tighten the spacers to secure the card.
Note
When using an
4. Connect cables to appropriate ports of the card. For details about pin assignments, refer to the appropriate
section in "3.5 Connecting
Note
Make sure to connect cables after installing the card in the PBX, not before.
①
LCOT4 card with a DPH2
Extensions" and
card, install the LCOT4
"3.6 Connecting Doorphones and Door
card in the bottom
Openers".