Introduces a service parameter.

 All underscores found in parameters must be replaced with spaces
 when parameters are used in NCP commands.

1  –  CIRCUIT circuit-id

 Establishes the circuit to be used for downline loading. This is the
 default value for the VIA  parameter of the LOAD and CONNECT commands.
 The node identification must be that of the target node.

2  –  DEVICE device-type

 Identifies the target node's line controller for the service circuit
 over which the operation is to take place.  The possibilities are
 as follows.

                BNA  CEC  DA   DL   DLV  DMB
                DMC  DMF  DMP  DMR  DMV  DP
                DQ   DSB  DSF  DSW  DTE  DU
                DUP  DV   DW4  DZ   ELA  ERA
                ETA  EWA  FPA  FZA  ISA  KDP
                KDZ  KL   MFA  MNA  MXE  PCL
                QNA  SVA  TRA  TRE  TRP  UNA
                VLA

 Only the synchronous port on the DMF service device may be used.

3  –  NODE VERSION version

 Specifies the DECnet software version of the node which downline
 loads its software to a target node.  The two  possible versions are
 PHASE III and PHASE IV.  The default is PHASE IV.

4  –  PASSWORD hex-password

 Defines the password required to trigger the bootstrap  mechanism on
 the target  node.  The password is a  hexadecimal number.  For DDCMP
 circuits, the  password is in the range 0 to FFFFFFFF;  for broadcast
 circuits, it is in the range  0  to  FFFFFFFFFFFFFFFF.  The  default
 is 0.