A20B-2001-0980
Fanuc A20B-2001-0980 is a 3-slot backplane PCB for model B CNC’s. Belonging to the Fanuc series 16B and 18B control systems. This board is inserted into the yellow plastic frame which holds up to 3 seperate boards in place to connect the control system together. The power supply unit is normally in the right slot, with MAIN next and lastly a option board either 1, 2 or 3.