Library /sys$common/syshlp/latcp$help.hlb CREATE, LINK, Parameter  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 link-name

    Specifies a name for a LAT data link. A link name can have up to
    16 ASCII characters. The characters allowed are as follows:

    o  Alphanumeric characters: A-Z, a-z, 0-9

    o  A subset of the international character set: ASCII codes 192-
       253

    o  Punctuation characters: dollar sign ($), hyphen (-), period
       (.), and
       underscore (_)

    You can create a maximum of eight links on your local node.
    Use the SHOW LINK command for a list of the link names that are
    defined for your node.