The SL1100 080E 8-port digital station card is installed in the 1228M KSU or 1228ME EXP and provides a total of eight digital ports. The analog trunk daughter board (4COIDB) can be mounted on this card.
Mfr. Part #: 1100020
SL1100 8-Port Digital Station Card
Install this card to the expansion card slot at Main/ Expansion KSU
Enables the DSS console to connect to any extension port