Verint Nextiva S1700e Series Guia do Utilizador descarregar pdf (Página 80)

Glossary

68 Verint Video Solutions

Access Point A device acting as a communication switch for

connecting wireless edge devices to a wired LAN. Access points

are mainly used with wireless transmitters to transfer wireless

content onto the wired IP network.

APIPA (Automatic Private IP Addressing) A feature of

Windows-based operating systems that enables a device to

automatically assign itself an IP address when there is no

Dynamic Host Configuration Protocol (DHCP) server available to

perform that function. Also known as AutoIP.

Bridge A device linking a wireless network to a wired Ethernet

network. The newest Nextiva bridge is the S3100.

Camera See S2500e.

CCTV (closed circuit television) A television system in which

signals are not publicly distributed; cameras are connected to

television monitors in a limited area such as a store, an office

building, or on a college campus. CCTV is commonly used in

surveillance systems.

CIF (common image format) A video format that easily

supports both NTSC and PAL signals. Many CIF flavors are

available, including CIF, QCIF, 2CIF, and 4CIF. Each flavor

corresponds to a specific number of lines and columns per video

frame.

CLI (command line interface) A textual user interface in which

the user responds to a prompt by typing a command.

Codec (coder/decoder) A device that encodes or decodes a

signal.

Configuration Assistant A proprietary graphical program

used to configure and update the firmware of the S1100 edge

devices.

DCE (data communication equipment) In an RS-232

communication channel, a device that connects to the RS-232

interface. Nextiva edge devices and modems are DCE.

Decoder See Receiver.

DHCP (Dynamic Host Configuration Protocol) A communication

protocol that lets network administrators manage centrally and

automate the assignment of Internet Protocol (IP) addresses in

a network.

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