6. Reference InformationModem A device that modulates a carrier signal to encode digital information, and also demodulates such acarrier signal to decode transmitted information.MRModified Read (MR) is a compression method recommended by ITUT T.4. MR encodes the firstscanned line using MH. The next line is compared to the first, the differences determined, and then thedifferences are encoded and transmitted.NetWareA network operating system developed by Novell, Inc. It initially used cooperative multitasking torun various services on a PC, and the network protocols were based on the archetypal Xerox XNSstack. Today NetWare supports TCP/IP as well as IPX/SPX.OPCOrganic Photo Conductor (OPC) is a mechanism that makes a virtual image for print using a laserbeam emitted from a laser printer, and it is usually green or rust colored and has a cylinder shape.An imaging unit containing a drum slowly wears the drum surface by its usage in the printer, andit should be replaced appropriately since it gets worn from contact with the cartridge developmentbrush, cleaning mechanism, and paper.OriginalsThe 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 somethingelse.OSIOpen Systems Interconnection (OSI) is a model developed by the International Organization forStandardization (ISO) for communications. OSI offers a standard, modular approach to networkdesign that divides the required set of complex functions into manageable, self-contained, functionallayers. 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 aprivate enterprise.PCLPrinter Command Language (PCL) is a Page Description Language (PDL) developed by HP as aprinter protocol and has become an industry standard. Originally developed for early inkjet printers,PCL has been released in varying levels for thermal, dot matrix printer, and laser printers.PDF Portable Document Format (PDF) is a proprietary file format developed by Adobe Systems forrepresenting two dimensional documents in a device independent and resolution independent format.PostScript(PS) PostScript (PS) is a page description language and programming language used primarily in theelectronic 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 in a printer, a scanner, afax 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 standardinput/output system calls, which simplifies many tasks.Protocol A convention or standard that controls or enables the connection, communication, and data transferbetween two computing endpoints.PSTN The Public-Switched Telephone Network (PSTN) is the network of the world's public circuit-switchedtelephone networks which, on industrial premises, is usually routed through the switchboard.RADIUSRemote Authentication Dial In User Service (RADIUS) is a protocol for remote user authenticationand accounting. RADIUS enables centralized management of authentication data such as usernamesand passwords using an AAA (authentication, authorization, and accounting) concept to managenetwork access.Resolution The sharpness of an image, measured in Dots Per Inch (DPI). The higher the dpi, the greater theresolution.SMBServer 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 authenticatedInterprocess communication mechanism.6-5 Copyright© 1995-2012 SAMSUNG. All rights reserved.