ptical scanning and converting Nome Europeenne de Telecommunication. (Euro- these into electrical signals for processing.) pean Telecommunications Standard, which is man- Open Document Architecture. (Or Office Document datory.) Architecture. Standard for transmission of content Near End crosstalk. The unwanted transfer of signal and layout of a document and of multimedia docu- energy from one link to another, often closely lo- ments.) cated, at the end of the cable where the transmitted Office Document Interchange Format. (Format used is located. to communicate documents within an open system.) Noise Figure. Open Distributed Processing. Not Frame Alignment Signal. (In transmitted code.) Organisation for Economic Co-operation and De- N-ISDN Narrowband Integrated Services Digital Network. velopment. National Institute for Standards and Technology. Opto-Electronic Integrated Circuit. (USA.) Original Equipment Manufacturer. Supplier who Network Level Control. (Or Network Layer Con- makes equipment for sale by a third party. The trol.) equipment is usually disguised by the third party Network Management Centre. with his own labels.) Network Management Interface. (Term used within OFTEL Office of Telecommunications (UK regulatory OSI to indicate the interface between the network body.) management system and the network it manages.) OSI Implementors Workshop. (USA based.) Nordic Mobile Telephone. (Cellular system de- OKQPSK Offset Keyed Quaternary Phase Shift Keying. signed by the Nordic PTTs. NMT450 operates in the Overall Loudness Rating (Measurement of end to 450MHz band and NMT900 in the 900MHz band.) end connection for transmission planning.) Network Node Interface. (Usually the internal inter- Optical Line Terminating Unit. (Or Optical Line faces within a network. See UNI.) Terminal Unit. Equipment which terminates an op- National Oceanic Atmospheric Administration. tical line, usually converting optical signals to elec- Network Operations Centre. trical and vice versa.) Notice Of Inquiry. (FCC paper for comment.)