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Glossary_ 137
Originals
The first example of something, such as a document, photograph or text,
etc, which is copied, reproduced or translated to produce others, but
which is not itself copied or derived from something else.
OSI
Open Systems Interconnection (OSI) is a model developed by the
International Organization for Standardization (ISO) for communications.
OSI offers a standard, modular approach to network design that divides
the required set of complex functions into manageable, self-contained,
functional layers. The layers are, from top to bottom, Application,
Presentation, Session, Transport, Network, Data Link and Physical.
PABX
A private automatic branch exchange (PABX) is an automatic telephone
switching system within a private enterprise.
PCL
Printer Command Language (PCL) is a Page Description Language
(PDL) developed by HP as a printer protocol and has become an
industry standard. Originally developed for early inkjet printers, PCL has
been released in varying levels for thermal, matrix printer, and page
printers.
PDF
Portable Document Format (PDF) is a proprietary file format developed
by Adobe Systems for representing two dimensional documents in a
device independent and resolution independent format.
PostScript
PostScript (PS) is a page description language and programming
language used primarily in the electronic and desktop publishing areas. -
that is run in an interpreter to generate an image.
Printer Driver
A program used to send commands and transfer data from the computer
to the printer.
Print Media
The media like paper, envelopes, labels, and transparencies which can
be used on a printer, a scanner, a fax or, a copier.
PPM
Pages Per Minute (PPM) is a method of measurement for determining
how fast a printer works, meaning the number of pages a printer can
produce in one minute.
PRN file
An interface for a device driver, this allows software to interact with the
device driver using standard input/output system calls, which simplifies
many tasks.
Protocol
A convention or standard that controls or enables the connection,
communication, and data transfer between two computing endpoints.
PS
See PostScript.
PSTN
The Public-Switched Telephone Network (PSTN) is the network of the
world's public circuit-switched telephone networks which, on industrial
premises, is usually routed through the switchboard.
RADIUS
Remote Authentication Dial In User Service (RADIUS) is a protocol for
remote user authentication and accounting. RADIUS enables
centralized management of authentication data such as usernames and
passwords using an AAA (authentication, authorization, and accounting)
concept to manage network access.
Resolution
The sharpness of an image, measured in Dots Per Inch (DPI). The
higher the dpi, the greater the resolution.
SMB
Server Message Block (SMB) is a network protocol mainly applied to
share files, printers, serial ports, and miscellaneous communications
between nodes on a network. It also provides an authenticated
Inter-process communication mechanism.
SMTP
Simple Mail Transfer Protocol (SMTP) is the standard for e-mail
transmissions across the Internet. SMTP is a relatively simple,
text-based protocol, where one or more recipients of a message are
specified, and then the message text is transferred. It is a client-server
protocol, where the client transmits an email message to the server.
SSID
Service Set Identifier (SSID) is a name of a wireless local area network
(WLAN). All wireless devices in a WLAN use the same SSID in order to
communicate with each other. The SSIDs are case-sensitive and have a
maximum length of 32 characters.
Subnet Mask
The subnet mask is used in conjunction with the network address to
determine which part of the address is the network address and which
part is the host address.
TCP/IP
The Transmission Control Protocol (TCP) and the Internet Protocol (IP);
the set of communications protocols that implement the protocol stack
on which the Internet and most commercial networks run.
TCR
Transmission Confirmation Report (TCR) provides details of each
transmission such as job status, transmission result and number of
pages sent. This report can be set to print after each job or only after
failed transmissions.
TIFF
Tagged Image File Format (TIFF) is a variable-resolution bitmapped
image format. TIFF describes image data that typically come from
scanners. TIFF images make use of tags, keywords defining the