22TERMSadmin console – a PC-based Graphical User Interface (GUI) thatfacilitates the interaction between an NSS (Network SecuritySystem) and a system administrator.backup CPU – same as redundant CPU.central processing unit (CPU) – that part of a Network SecuritySystem (NSS) that controls the functioning of the entire system.If the status is active, it is the Main CPU; if in standby, it is theRedundant (or Backup) CPU.daylight saving time – the time observed when daylight savingis adopted in a community.Ethernet – a local-area network protocol featuring a bustopology.Internet protocol (IP) address – a unique 32-bit identifier for aspecific TCP/IP computer or other device (such as a printer) on anetwork. IP addresses are in dotted decimal form, with each ofthe four address fields assigned a value from 0 to 255. Example:128.127.50.224local PC – computer on which the MPU955 Time ManagementUtility is installed.monitor – a display device dedicated to viewing imagesgenerated by one or more of the components of surveillancesystem.network security system (NSS) – Large-scale matrix systemwhich performs functions such as camera control, switching,automatic alarm processing, and provides on-screen display.redundant CPU – a central processing unit in the “standby”mode, ready to take control of the entire system upon commandfrom the CPU management switch. After taking control of thesystem, the redundant CPU becomes the active CPU.system administrator – a person who manages a networksystem by: configuring system hardware, programming systemfeatures, monitoring system status, controlling overall systemoperation, and reviewing system logs.TCP/IP – a communications protocol for computer networks,the main protocol for the internet.time zone – one of the regions or divisions of the globeapproximately coinciding with meridians.