The Logic-Controls PD3800 Series is a two line twenty character pole display that solve the classic I wish I had an extra I-O port problem by using our data pass-through data capabilities. Logic Controls' data pass-through process allows connection of multiple pole displays cash drawers printers and other devices to a single output port. In the pass through mode a pole display monitors the incoming data then decides to display the data or pass it to the next down-stream device.
Full specifications (PDF)
Manufacturer part number: PD3800U-BK