These Edwards iH and iL semiconductor dry pump Refurbished Display Modules "Key Pads" with phone jack are used to connect a user interface to your iQDP pumps. The display modules connect to the iH or iL electric module and allows the user to take local control of iH and iL series vacuum pumps. The display module can be used to start and stop the pump and change internal settings, such as, open gas ballast and other functions. These Edwards iH and iL display modules are equipped with cable and connector as shown. These are REFURBISHED, with Edwards part number, D37272000