Samsung SCX-5639FR-XAA - Manual (Page 340)

Glossary
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IP address
An Internet Protocol (IP) address is a unique number that devices use
in order to identify and communicate with each other on a network
utilizing the Internet Protocol standard.
IPM
The Images Per Minute (IPM) is a way of measuring the speed of a
printer. An IPM rate indicates the number of single-sided sheets a
printer can complete within one minute.
IPP
The Internet Printing Protocol (IPP) defines a standard protocol for
printing as well as managing print jobs, media size, resolution, and
so forth. IPP can be used locally or over the Internet to hundreds of
printers, and also supports access control, authentication, and
encryption, making it a much more capable and secure printing
solution than older ones.
IPX/SPX
IPX/SPX stands for Internet Packet Exchange/Sequenced Packet
Exchange. It is a networking protocol used by the Novell NetWare
operating systems. IPX and SPX both provide connection services
similar to TCP/IP, with the IPX protocol having similarities to IP, and
SPX having similarities to TCP. IPX/SPX was primarily designed for
local area networks (LANs), and is a very efficient protocol for this
purpose (typically its performance exceeds that of TCP/IP on a LAN).
ISO
The International Organization for Standardization (ISO) is an
international standard-setting body composed of representatives
from national standards bodies. It produces world-wide industrial
and commercial standards.
ITU-T
The International Telecommunication Union is an international
organization established to standardize and regulate international
radio and telecommunications. Its main tasks include
standardization, allocation of the radio spectrum, and organizing
interconnection arrangements between different countries to allow
international phone calls. A -T out of ITU-T indicates
telecommunication.