Schneider Optics Modicon Quantum Ethernet Hub, Internet, IP Address, IO Map, Layer, Network, Node

	Glossary
hub	A device which connects a series of flexible and centralized modules to create a
	network.

I

ICMP	Internet Control Message Protocol. A protocol within TCP/IP used to report errors
	in datagram transmission.
Internet	The global interconnection of TCP/IP based computer communication networks.
IP	Internet Protocol. A common network layer protocol. IP is most often used with
	TCP.
IP Address	Internet Protocol Address. A 32-bit address assigned to hosts using TCP/IP.
IO Map	An area in the controller configuration memory used to map input and output
	points. Previously called traffic cop.

L

layer	In the OSI model, a portion of the structure of a device which provides defined
	services for the transfer of information.

M

MAC Address Media Access Control address. The hardware address of a device. A MAC address is assigned to an Ethernet TCP/IP module in the factory.

N

network	Interconnected devices sharing a common data path and protocol for
	communication.
node	An addressable device on a communications network.

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