Library /sys$common/syshlp/nclhelp.hlb show, x25_protocol, dte, pvc, Status  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 o  allocated

    True if the PVC is allocated to a user. False if otherwise.

 o  port

    X25 Access port with which the PVC is associated.

 o  uid

    Entity's unique identifier, which is generated when the entity is
    created.