\\ More than 3500 Telecom abbreviations maintained by Ioan (Nini) Indreias // 1 A B C D E F G H I J K L M N O P Q R S T U V W X Y All words LAA Longest Available Agent LAC Location Area Code LAC Location Area Code (GSM - UMTS) LAC Loop Assignment Center LADS Local Area Data Service LADT Local Area Data Transport LAI Location Area Identity (GSM) LAMA Local Automatic Message Accounting LAN-PHY LAN Physical Layer LAN Local Area Network LANE Local Area Network Emulation LANS Local Area Network Services LAP-B Link Access Protocol Balanced LAP-D Link Access Protocol-D channel LAP Link Access Procedure (X.25) LAP Link Access Protocol LAPB Link Access Procedure Balanced (X.25) LAPD Distributed Link Access Procedure LAPD Link Access Procedure for the D-channel (ISDN) LAPF Link Access Procedure to Frame Mode Bearer Services (FR, ISDN) LAPM Link Access Procedure for Modems (V.42) LAPS Local Access ProcedureS LAPX Link Access Procedure half-duplex (X.32) LARG LIDB Access Routing Guide LASS Local Access Signaling Services LASS Local Area Signaling Services LAT Local Area Transport (DEC) LATA Local Access and Transport Area LAVC Local Area VAX Cluster (DEC) LAW Local Area Wireless LBS Location Based Services LBT Listen Before Talk LC Load Coil LC Local Competition LC Logical Channel LC Loop Closure LCA Line Circut Address LCC Line Class Code LCD Liquid Crystal Diode/Display LCD Liquid Crystal Display LCF Location Confirm (RAS) LCF Loop Current Feed LCFO Loop Current Feed Open LCGN Logical Channel Group Number (X.25) LCM Line Concentrator Module LCN Logical Channel Number (X.25) LCP Link Control Protocol LCR Least Cost Routing LCS Location Services LD Laser Diode LD Local Directory LD Long Distance LDAP Lightweight Directory Access Protocol LDAP Lightweight Directory Access Protocol (Protocol) LDAPIF LDAP Interface Module (SZ) LDC LATA Distribution Channel LDDI Local Distributed Data Interface (ANSI) LDF Local Distribution Frame LDI Long Distance Indicator LDM Limited Distance Modem LDN Listed Directory Number LDS Local Digital Switch LDS Long Distance Switching LE/PH Local Exchange/Packet Handler (ISDN) LE Local Exchange (ISDN) LEC LAN Emulation Client LEC Local Exchange Carrier LED Light Emitting Diode LEIF Location Engine Interface (SZ) LEN Length LEN Line Equipment Number LEN Low Entry Networking LEO Low Earth Orbit LEOS Low Earth Orbit Satellite(s) LEOS Low Earth Orbiting Satellite LERG Local Exchange Routing Guide LES LAN Emulation Server LES LAN Emulation Server/Services LESVC Location Engine Service Module (SZ) LET Line Equipment Transfer LF Largest Frame LF Loop Feeder LF Low Frequency LFACS Loop Facility Assignment Control System LFSID Local Form Session Identifier LGC Line Group Controller LH Link Header LI Length Indication LI Length Indicator LI Local Interconnection LIDB Line Information DataBase LIDB Line Information Database (ISDN) LIF Location Interoperability Forum LIF Logger Interface Module (SZ) LIFO Last In First Out LIPX Large Internet Packet Exchange (NetWare) LISA Local Interconnection Service Arrangement LISC Local Interconnection Service Center LIT Line Insulation Test LLAP LocalTalk Link Access Protocol (Apple) LLB Line Loop Back LLC Limited Liability Company LLC Logical Link Control (IEEE 802.2) LLI Logical Link Identifier LLSC signaling Link management, Link Set Control LMC Loop Maintenance Center LMDS Local Multipoint Distribution Service LMDS Local Multipoint Distribution Service/System LMI Local Management Interface LMOS Loop Maintenance Operations System LMS Local Measured Service LMSI Local Mobile Subscriber Identity (GSM) LMSS Land Mobile Satellite Service LMTS Lead Member of Technical Staff LMU Line Monitor Unit LNP Local Number Portability LO Loop Open LO Low Order LOC Local Operations Center LOCREQ Location Request LOF Loss Of Frame LOH Line Overhead (SONET) LOM Lights-Out Management LOP-L Loss Of Pointer-Line LOP-P Loss Of Pointer-Path LOP-V Loss Of Pointer-Virtual LOP Line of Position LOP Loss Of Pointer LOS Line of Sight LOS Loss Of Signal LOSW Loss Of Synchronous Word LP Link Printer LPC Linear Predictive Coding LPD Link Protocol Discriminator (GSM) LPDA2 Link Problem Determination Aid 2 (IBM) LPDP Local Policy Decision Point LPIC Local Primary Interexchange Carrier LPP Lightweight Presentation Protocol LPP Link Peripheral Processor LPU Line Protection Unit LPVS Link Packetized Voice Subsystem LRB Loop Reverse Battery LRC Longitudinal Redundancy Check LRC Longitudinal Redundancy Check (BISYNC) LRJ Location Reject (RAS) LRN Local Routing Number LRQ Location Request (RAS) LS Link State LS Loop Start LSAC signaling Link management, Signaling Link Activity Control LSAP Link Service Access Point LSB Least Significant Bit LSC Link State Control LSC Local Service Center LSI Large Scale Integration LSL Link Support Layer LSLA signaling Link management, Signaling Link Activation LSLD signaling Link management, Signaling Link Deactivation LSLR signaling Link management, Signaling Link Restoration LSMS Local Service Management System LSNE Local Switching Network Element LSNP Local Switching with Number Portability LSO Local Serving Office LSOA Local Service Order Administration LSP Local Service Provider LSR Local Service Request LSSGR LATA Switching and Signalling Generic Requirements LSSU Link Status Signal Unit (GSM) LSU Line Switch Unit LT Line Termination LT Link Trailer LT Local Transport LTD Local Test Desk LTE Line Terminating Equipment (SONET) LTG Line Trunk Groups LU Line Unit LU Location Update LU Logical Unit LU Logical Unit (SNA) LULT Line Unit/Line Termination LUNT Line Unit Network Termination LXT Local Exchange Terminal SMBZ - SaMBoZaur - test for propagation of define: