Fanuc A16B-1200-0170 GRAPH/PUNCH board. This PCB works with the ROM PCB to give vdu video display output to the CRT monitor for 9 inch monochrome graphic. As well communication from the CNC via PC puncher RS232 or akin for editing. Normally this board ran on later 6BII system versions such as the A16B10000030 masterboard.
DNC offer a full service for the A16B12000170 GRAPHIC / Puncher PCB. Including exchange to save money, and surplus spares are stock dependent. Alternatively if your looking for the earlier 6B system CRT/PUN PCB then click on the following part number A20B00080430.