VMS Help LANCP, CONNECT, NODE, Qualifiers, /DEVICE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /DEVICE=device-name

    Specifies the LAN controller device name to be used for the
    connection. For example, you can specify a DEMNA controller as
    EXA, EXA0, or EXA0:.