The requirements for using DPS on an NCD terminal are:

• Using DPS requires a valid license. To add a DPS node license to a terminal's configuration, use the unit-license-key parameter (Setup -> Change Setup Parameters -> Licenses -> License Key). If the terminal has more than one node license, include one instance of this parameter for each license key. This parameter is saved in NVRAM.
  
  After adding the DPS license, reboot the terminal so that the X server can read the PostScript resource file.
  
  If you are using site licensing or floating licenses, see the NCDware System Administrator's Guide for UNIX Systems for instructions.
  

• Additional terminal memory may be required. For information on the amount of terminal memory required to use DPS, see the Release Notes.
  

• You must use NFS (Network File Service) as the file transfer protocol for DPS. See Chapter 5, Configuring Network Services, for information about setting up file services.