Library /sys$common/syshlp/net$mgmt_help.hlb Frame, frame_link, status  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    PHYSICAL PORT NAME
       Name of the Physical layer port returned when the port is opened. If this
       value is missing, the port has yet to be opened.

    STATE
       State of the (frame link) entity.

       OFF - The link is disabled.
       ON  - The link is enabled.