Schneider Electric 174 CEV User Manual
Page 84

Glossary
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default gateway
The IP address of the network or host to which all packets addressed to an
unknown network or host are sent. The default gateway is typically a router or
other device.
DNS
Domain Name System. A protocol within TCP/IP used to find IP addresses based
on host names.
field
A logical grouping of contiguous bits that convey one kind of information, such as
the start or end of a message, an address, data or an error check.
frame
A group of bits which form a discrete block of information. Frames contain network
control information or data. The size and composition of a frame is determined by
the network technology being used.
framing types
Two common framing types are Ethernet II and IEEE 802.3.
FTP
File Transfer Protocol. A networking protocol used to exchange files between
stations on a network or over the Internet.
gateway
A device which connects networks with dissimilar network architectures and which
operates at the Application Layer. This term may refer to a router.
host
A node on a network.
hostname
A domain name given to a specific computer on a network and used to address
that computer.
HTTP
HyperText Transport Protocol. A protocol used to deliver hypertext documents.
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.