Panasonic KX-TDA50 Installation Manual page 44

2.2.6 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 hole of the card fits over the extension
bolt.
Extension Bolt
CAUTION
When installing the optional service cards, do not put pressure on any parts of the main board (e.g.,
tall capacitors). Doing so may result in damage to the PBX.
3.
Insert the new extension bolt (included with the card) into the hole on the card, and tighten it to secure the
card.
44 Installation Manual
Optional Service Card
2
Extension Bolt
1
Document Version 2010-11