National Instruments PXIe-4322 8 Ch Analog Output 16V 20mA - AS ISThis item is sold AS IS. No returns or exchanges are accepted. Condition For parts or not working Description Three channels are not working and keeps failing. For this reason, we are selling the unit AS IS for parts repair as a non working or incomplete unit. We have not tested inspected any further, item may have unknown issues we are not aware of. See all item photos for the condition of the unit. Unless pictured, no power adapter power cable