The first CB-100 kit (776455-01) includes two CB-50 I/O connector blocks and a NB5 ribbon cable for direct connection to an NI PC-DIO-96 board.
The second CB-100 kit (777812-01) includes two CB-50 I/O connector blocks and a R1005050 ribbon cable for direct connection to NI 6509, NI 651x, NI 652x, and NI 6508 devices. Each CB-50 block includes hardware for DIN-rail or panel mounting.