Справочник Пользователя для Pelco PelcoNet NET300 Multimedia Transmission Via Network C2908M-B
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C2908M-B (4/05)
Glossary
10BASE-T
IEEE 802.3 specification for 10 Mbs Ethernet
ARP
Address Resolution Protocol
Baud Rate
Data transmission rate
bps
Bits per second, the actual data rate
Cat5 Cable
Type of cable used on a LAN to connect computers, printers, and transmitters and receivers to a hub on
the network
the network
CIF
Common Intermediate Format; video format with 352 x 288 pixels
Default Gateway
The router’s IP address (for example, 192.168.0.1)
DHCP
Dynamic Host Configuration Protocol
DNS
Domain Name Service
FTP
File Transfer Protocol
Full Duplex
Simultaneous data transmission in both directions
G.711, G.728
Standard audio coding algorithms defined by ITU-T
H.224
Standardized protocol for data communication and remote control
H.261
Standard motion video coding algorithm defined by ITU-T
H.323
Standard for M-JPEG video and audio compression defined by ITU-T
HTML
Hypertext Markup Language
HTTP
Hypertext Transfer Protocol
Hub
A device on the network that connects multiple computers together to form a LAN
ICMP
Internet Control Message Protocol
ID
Identification: machine readable number or name
IGMP
Internet Group Management Protocol
IEEE
Institute of Electrical and Electronics Engineers
Internet Protocol
The main protocol used on the Internet. Forms—in conjunction with the Transmission Control Protocol
(TCP)—the TCP/IP protocol suite.
(TCP)—the TCP/IP protocol suite.
IP
See Internet Protocol
IP Address
A unique four-byte number that identifies each unit on the Internet or network. Usually written in dotted
decimal notation with periods separating the bytes. This address is required to communicate on the net-
work (for example, 192.168.0.100)
decimal notation with periods separating the bytes. This address is required to communicate on the net-
work (for example, 192.168.0.100)
ISDN
Integrated Services Digital Network
ISP
Internet Service Provider
JPEG
Joint Photographic Expert Group (procedure to encode still images)
Kbps
Kilobits per second; the actual data rate
LAN
Local Area Network. Multiple computers linked together into a network to share information within a lim-
ited geographic area (such as a building or a campus) controlled by a network operating system and using
a transport protocol.
ited geographic area (such as a building or a campus) controlled by a network operating system and using
a transport protocol.
MAC Address
Media Access Control/hardware address
Mbps
Megabits per second; the actual data rate
MPEG-4
Used for transmission of audiovisual data with very low transfer rates (for example, via Internet); further
development of MPEG-2 (enhanced video compression standard)
development of MPEG-2 (enhanced video compression standard)
NAT
Network Address Translator. A proposal for IP address for re-use where the local IP address is mapped to
a globally unique address
a globally unique address
Network Address Translator
A proposal for IP address re-use where the local IP address is mapped to a globally unique address
Parameter
Values used for the configuration of the network system
Picture
A video picture that has been digitized at a particular resolution
PPP
Point-To-Point Protocol. A protocol allowing a computer using TCP/IP to connect directly to the Internet
Router
A physical device that connects multiple LANs; a router knows where to direct a given packet of data
QCIF
Quarter CIF, video format with 176 x 144 pixels
Server Push
A continuous stream sent from the transmitter to the web browser