1PC UPR-112 USB to COM printer adapter Parallel Port Serial + USB Hub

1PC Keyspan UPR-112 USB to COM printer adapter Parallel Port Serial + USB Hub

1PC UPR-112 USB to COM printer adapter Parallel Port Serial + USB Hub #ke

1PC UPR-112 USB to COM printer adapter Parallel Port Serial + USB Hub

1PC Keyspan UPR-112 USB to COM printer adapter Parallel Port Serial + USB Hub

UPR-112 USB to Serial Parallel Adapter with USB Hub for Printers ScannersR S232

FTDI Breakout Board USB to Serial Adapter (3 pack) - The VisiPort