Set_Options

   These are the SET command options supplied by DECnet-Plus for 
   OpenVMS:

   Option                Function

   HOST/MOP              Connects your terminal to a remote system
                         by way of the current host processor using
                         the MOP protocol.

   HOST/VTP              Connects your terminal to a remote system
                         by way of the current host processor using
                         the OSI Virtual Terminal protocol.

   HOST/X29              Connects your terminal to a remote system
                         by way of the current host processor using
                         the X.25 software and the CCITT X.29 
                         protocols.