Library /sys$common/syshlp/nclhelp.hlb delete, hdlc, link, logical_station  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    delete  [node node-id] hdlc link link-name -
            logical station logical-station-name

    Example:

    delete hdlc link hdlc-0 logical station hdlc-0