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
When installing the optional service cards, do not put pressure on any parts of the main board. Doing
so may result in damage to the Hybrid IP-PBX.
Insert the new extension bolt (included with the card) into the hole on the card, and tighten it to secure
Optional Service Card
2.2 Installation of the Hybrid IP-PBX