Terms

admin console – a PC-based Graphical User Interface (GUI) that facilitates the interaction between an NSS (Network Security System) and a system administrator.

backup CPU – same as redundant CPU.

central processing unit (CPU) – that part of a Network Security System (NSS) that controls the functioning of the entire system. If the status is active, it is the Main CPU; if in standby, it is the Redundant (or Backup) CPU.

daylight saving time – the time observed when daylight saving is adopted in a community.

Ethernet – a local-area network protocol featuring a bus topology.

Internet protocol (IP) address – a unique 32-bit identifier for a specific TCP/IP computer or other device (such as a printer) on a network. IP addresses are in dotted decimal form, with each of the four address fields assigned a value from 0 to 255. Example: 128.127.50.224

local PC – computer on which the MPU955 Time Management Utility is installed.

monitor – a display device dedicated to viewing images generated by one or more of the components of surveillance system.

network security system (NSS) – Large-scale matrix system which 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 command from the CPU management switch. After taking control of the system, the redundant CPU becomes the active CPU.

system administrator – a person who manages a network system by: configuring system hardware, programming system features, monitoring system status, controlling overall system operation, 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 globe approximately coinciding with meridians.