| 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 |
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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