ademic signalling.) community.) Linear Delta Modulation. (Delta modulation tech- nique in which a series of linear segments of con- stant slope provides the input time function.) JEIDA Japan Electronic Industry Development Associ- Local Exchange Carrier. (USA local telecommuni- ation. cation carrier.) Joint European Standards Institute. (CEN and Light Emitting Diode. (Component which converts CENELEC combined group in the area of informa- electrical energy into light.) tion technology.) Low Earth Orbiting. JIPDEC Japan Information Processing Development Centre. Low Earth Orbit System. (Satellite communication Japanese Industrial Standard. (Product marking used system with satellites not in geostationary orbit.) in Japan to denote conformance to a specified stand- Last In First Out. (Technique for buffering data.) ard.) Line Impedance Stabilising Network. (An artificial Japanese Industrial Standards Committee. (Stand- network used in measurement systems to define the ards making body which is funded by the Japanese impedance of the mains supply.) government.) Line Jack Unit. Japanese Standards Association. Logical Link Control. (IEEE 802. standard for Job Transfer and Manipulation. (Communication LANs.) protocols used to perform tasks in a network of Lightweight Presentation Protocol. interconnected open systems.) Layer Management Application Entity. (Specific type of SMAE.) Layer Managaement Entity. Knowledge Based System. Land Mobile Satellite Services. KiloHertz. (Measure of frequency. Equals to 1000 Line Of Sight. (Transmission system, e.g. micro- cycles per second.) wave.) Kokusai Denshin Denwa Co. Ltd. (Japanese interna- Low Power Television. tional carrier.) Linear Predictive Coding. (Encoding technique used in pulse code modulation.) Longitudinal Redundanc Check. (Error checking Localised Automatic Message Accounting. (The procedure for transmitted data.) ability to use AMA within a local office.) Least Significant Bit. (Referring to bits in a data Local Area Network. (A network shared by com- word.) munic