Monoprice 6ft HP PLT/LAS DB9F/DB25M Cable If you've got an older Hewlett-Packard plotter or laser printer with a serial connection you know that you cannot just get any serial cable You need one specifically designed for these devices and Monoprice has just what you need! This cable features a DE-9 (DB-9) female connector on one end and a male DB-25 connector on the other end The cable is not wired as a normal serial cable however It is wired as shown in the following table specifically for use on HP plotter and laser printers