/sys$common/syshlp/helplib.hlb LANCP, CONNECT, NODE, Qualifiers, /PASSWORD  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /PASSWORD=16hexdigits

    Supplies the password to be used when the connection
    is initiated, in hexadecimal (for example,
    /PASSWORD=0123456789ABCDEF). The default password is zero. You
    can omit leading zeros.