VMS Help TCPIP Services, TELNET, TN3270 Keyboard Functions, Logical Not  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    VT100: EXT + N              VT200: EXT + N
    DEFINE_KEY Function: (None)

    Represents the remote host's symbol for a logical NOT; displayed
    as a circumflex ( ^ ) on DIGITAL terminals.