KNX is a standardized (EN 50090, ISO/IEC 14543), OSI-based network communications protocol for intelligent buildings. KNX is the successor to, and convergence of, three previous standards: the European Home Systems Protocol (EHS), BatiBUS, and the European Installation Bus (EIB or Instabus).The KNX standard is administered by the KNX Association.he standard is based on the communication stack of EIB but enlarged with the physical layers, configuration modes and application experience of BatiBUS and EHS. KNX defines several physical communication media: 1  Twisted pair wiring (inherited from the BatiBUS and EIB Instabus standards).
Tail docking and castration of lambs under three (3) months of age by non-veterinarians are acceptable provided that: 1  the procedures are performed by a skilled and preferably accredited operator; and. 2  appropriate pain relief is provided; and. 3  the tail is docked at the third palpable joint.
Boxers with docked tails. The dog in front also has cropped ears. Docking is the removal of portions of an animal's tail. While docking and bobbing are more commonly used to refer to removal of the tail, the term cropping is used in reference to the ears. Tail docking occurs in one of two ways. The first involves constricting the blood supply to the tail with a rubber ligature for a few days until the tail falls off.