Pelco C690M-E operation manual Glossary

GLOSSARY

Cat5 Cable	Type of cable used on a LAN to connect computers, printers, and
	transmitters and receivers to a hub on the network.
Gateway	A network point acting as an entrance to another network. Computers
	that control traffic on a company’s network or at local Internet service
	provider are gateway nodes. Often associated with a router and a
	switch.
Internet Protocol	The main protocol used on the Internet. Forms—in conjunction with the
	Transfer Control Protocol (TCP)—the TCP/IP protocol suite.
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
	network (for example, 192.168.0.100).
LAN	Local Area Network. Multiple computers linked together into a network
	to share information within a limited geographic area (such as a building
	or a campus) controlled by a network operating system and using a
	transport protocol.
Router	A physical device that connects multiple LANs. A router knows where to
	direct a given packet of data.
Subnet Mask	A mask that explains which part of an IP address is the network address
	and which part composes the host address. It is usually expressed in
	dotted-decimal notation (for example, 255.255.255.192).
Switch	Furnishes the actual path in and out of the gateway for given packet of
	data.
TCP	Transfer Control Protocol.
WAN	Wide Area Network. Multiple LANs connected together, usually over a
	great distance.

108 Pelco Manual C690M-E (11/04)