Schneider Optics Web Embedded Server User Manual
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Glossary
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hub
A device which connects a series of flexible and centralized modules to create a
network.
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.
layer
In the OSI model, a portion of the structure of a device which provides defined
services for the transfer of information.
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.
network
Interconnected devices sharing a common data path and protocol for
communication.
node
An addressable device on a communications network.
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