D-Link KX-TDA100 - Manual (Page 132)

2.6 Installation of the Other Cards
132 Installation Manual
2.6.5 ECHO16 Card
Function
16-channel card for echo cancellation during conferences. To be mounted on the OPB3 card.
Accessory and User-supplied Items
Accessory (included): Screws × 3
User-supplied (not included): none
Note
To establish a conference call involving 6 to 8 parties, install an ECHO16 card and enable the echo
cancellation for conference using the KX-TDA Maintenance Console. For details, refer to the on-line
help of the KX-TDA Maintenance Console.
Screw
inside
ECHO16 Card
OPB3 Card