HP 16 Channel, Isolated Digital Input/Interrupt Assy, Model 44425A (Option 050)

“These were part of a liquidation and original copies were mixed with photocopies. While we do our best to ensure you get original manuals, please be advised that some of these might be photocopies of the original.” HP 16 Channel, Isolated Digital Input/Interrupt Assy, Model 44425A (Option 050)