6.3 Versions............................................................................................................................................................... 21 6.3.1 Anti-panic (AP).............................................................................................................................. 21 6.3.2 Access Control (ZK) ……....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 3 6.3.3黄铜版本（MS）............................................................................................... （ln）..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... version (SW)........................................................................................ 25 6.3.9 Without thumb-turn (OK)....................................................................................................... 25 6.3.10 Self-locking (SL).......................................................................................................................... 25