NEC SL2100 Quick Install Manual page 12

Install the ISDN PRI Card
Insert the interface card with 1PRIDB daughter card mounted into the SL2100 universal slot, ensure the card
slides into the guide rails and tighten the two screws to secure the card.
The type of trunk daughter card installed can be identified by the RJ45 sockets visible on the front of the
interface card.
Quick Install Guide – SL2100 with ISDN PRI Trunks rev 1.1
12