Bosch Video Management System - Bosch Security Systems

76 en | Glossary Bosch Video Management SystemA block is divided into two parts, one for pre-alarm and alarm recording, the other one forcontinuous recording.The alarm recording part is organized in 1 to 128 tracks. If the system switches fromcontinuous to alarm recording, the data is stored in one of the tracks. Per alarm a single trackis used. A track has a fixed size on the disk.The size of the alarm track is determined by the bit-rate and the pre- and alarm-duration thatyou configure. These settings are used to calculate the size of an alarm track.LogbookLogical numberLogical TreeLUNContainer for logging all events in Bosch Video Management System.Logical numbers are unique IDs assigned to each device in the system for ease of reference.Logical numbers are only unique within a particular device type. Typical use of logicalnumbers are Command Scripts.Tree with a customized structure of all the devices. The Logical Tree is used in the OperatorClient to select cameras and other devices. In the Configuration Client, the "Full Logical Tree"is configured (on the Maps and Structure page) and tailored for each user group (on the UserGroups page).Logical Unit Number. Used in the iSCSI environment to address an individual disk drive or avirtual partition (volume). The partition is part of a RAID disk array (the iSCSI target).MMap windowUsed for displaying either maps or documents, it cannot display video content and is notlimited to a 4:3 ratio.Master Control SoftwareSoftware used as interface between Bosch Video Management System and an Allegiantdevice. Version 2.8 or greater is used.MetadataMHTMIBMotion detectionMPEG-4MSSMTUData of a POS or ATM like date and time or bank account number stored with thecorresponding video data to provide additional information for evaluation.Also called 'Web Archive'. File format that can save all HTML and image files of an Internet sitein one file. To avoid problems we recommend to create MHT files with Internet Explorer 7.0 orhigher only.Management Information Base. Term in the SNMP environment for a table containing stateand control data for a network device. Every entry in a MIB is identified by its OID. The MIB isstored in the device. A MIB file is used for importing the MIB data into a MIB.Software component that watches for changes in the video image. The threshold for theamount of change required to identify motion can be configured.Motion Picture Expert Group. Standard for encoding (compressing) digital audio and video formultimedia applications.Maximum Segment Size. The largest amount of data, specified in bytes, that a computer orcommunications device can handle in a single, unfragmented piece.Maximum Transmission Unit. Describes the maximum amount of data (in bytes) that can betransferred without being fragmented.Operation Client | V4 | 2010.12 Operation Manual Bosch Sicherheitssysteme GmbH