Verint Nextiva S1700e Series Instrukcja Użytkownika Pobierz pdf (Strona 87)

S2500e User Manual

Verint Video Solutions 75

DTE (data terminal equipment) In an RS-232 communication

channel, the device to which the RS-232 interface connects.

Computers, switches, multiplexers, cameras, and keyboards are

DTE.

DVR (digital video recorder) A device (usually a computer) that

acts like a VCR in that it has the ability to record and play back

video images. The DVR takes the feed from a camera and

records it into a digital format on a storage device which is most

commonly the hard drive.

Encoder See Transmitter.

Ethernet A local area network (LAN) architecture using a bus

or star topology and supporting data transfer rates of 10 Mbps.

It is one of the most widely implemented LAN standards. The

802.11 protocols are often referred to as “wireless Ethernet.”

Firmware Software stored in read-only memory (ROM) or

programmable ROM (PROM), therefore becoming a permanent

part of a computing device.

IP (Internet Protocol) The network layer for the TCP/IP protocol

suite widely used on Ethernet networks.

LAN (local area network) A computer network that spans a

relatively small area. A LAN can connect workstations, personal

computers, and surveillance equipment (like video servers). See

also WAN.

MPEG-4 A graphics and video lossy compression algorithm

standard that is derived from MPEG-1, MPEG-2, and H.263.

MPEG-4 extends these earlier algorithms with synthesis of

speech and video, fractal compression, computer visualization,

and artificial intelligence-based image processing techniques.

Multicast Communication between a single sender and

multiple receivers on a network; the devices can be located

across multiple subnets, but not through the Internet. Multicast

is a set of protocols using UDP/IP for transport.

nDVR The SmartSight video management and storage

software. This graphical product is used in conjunction with

wired and wireless video servers.

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Verint Nextiva S1700e Series Instrukcja Użytkownika Strona 87