NEC SL2100 Quick Install Manual page 11

Install the ISDN PRI Card
The 1PRIDB card is supplied with three Nylon pillars already installed and a securing screw and metal spacer.
Align the 1PRIDB board Nylon spacers and connector with the SL2100 interface card and push in firmly.
Secure the 1PRIDB with the screw through to the metal spacer.
Remove the plastic knockout from the slot on the front of the SL2100 chassis.
Any universal slot can be used, it is recommended that you install the cards using slot order 1->4. Slots are
identified S1~S4 on the front of the chassis.
Note – the knockout can not be replaced once removed; there are no blanking covers available, be sure to
remove the correct knockout.
Quick Install Guide – SL2100 with ISDN PRI Trunks rev 1.1
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