The NIM Modem is the paddle card in the NIM with connections for the UCN network cables, A & B. This single paddle board replaces the functions of the PNM, the PNM I/O, the PNI I/O, and the mini-coax in the older configurations of the NIM.

The CE-compliant version of this card is the 51304511-200. This card has been replaced by 51305896-100