Performance catalogue Locking cylinders Contents Service and Software KeyManager .................................................Page 98 MKS – MasterKeySystem .............................Page 99 CIS – Customer Information System............Page 100, 101 Cylinder systems (reversible key systems) Cylinder systems (conventional) 3 Locking cylinders Contents, numeric 4 Locking cylinders Contents, numeric 5 Cylinder system series 45 Locking cylinder series to DIN EN 1303 and DIN 18252