Library /sys$common/syshlp/ncphelp.hlb SET, MODULE, X25-ACCESS, PASSWORD password  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Specifies the password for use by the access routines when
 connecting to a multihost connector node.  Specify a string of
 from 1 to 39 characters.   The default is that no password is
 used.