10-1S E C T I O N 1 0Access Control• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •In This Section© About Access Control© Installing the Access Control Interface Unit© Using Readers, Keyloks, and Operating Panels© Access Control Options© Maintenance of the Access Control Interface Unit• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •About Access ControlThe FOCUS 200 PLUS System accommodates up to 8 of the 472270 Access Control Interface Units(ACIU). The ACIU's interface access devices into the system for the purpose of controlling access to oneor more designated BA groups. The devices are installed at the door to the protected area, allowing onlypersons with a valid code on their card, key, or operating panel to gain access to the area beingcontrolled. The access devices available are:• Card Readers• Key Readers• Keyloks• Operating PanelsFeatures of the ACIUEach Access Control Interface Unit:• Attaches to the RS-485 bus, and can be distanced up to 4000 cable feet from the control unit.Note: Required distance may be shorter to comply with the ACIU's minimum voltage rating.• Can accommodate one card/key reader with associated electric strike (or a Keylok) for controllingone door.• Supports a Marlok key reader or Marlok Keylok, as well as a variety of specified card readers(magnetic stripe, Wiegand or proximity) that communicate using an industry-standard Wiegandformat.• Supports a separately ordered on-board battery, which provides power to the door strike. Thebattery also enables the ACIU to operate in a super-degraded mode (explained later in thissection).• Can be used to turn off one or more BA groups.• Supports buzz-through capability.Additional Features when Using Access Control• Each reader can be programmed to determine the length of the unlock time.• The system can be programmed to log all attempts at entry or only unsuccessful attempts, plusopenings and closings (person, reader number, time, and date).• All user cards and keys are shipped precoded, ready for use; no special site codes are required.