Heart Attacks
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RAILWAY ABBREVIATIONS Compiled by- RPS YADAV, SSE/RE/Allahabad Organizations & Corporations AIRF All-India Railwaymen's Federation (union organization) COFMOW Central Organization for the Modernization of Workshops CONCOR Container Corporation of India COOIS Central Organization for Operations Information Systems CORE Central Organization for Railway Electrification COS Central Office of Standards (predecessor of RDSO) CRIS Centre for Railway Information Systems CTC Calcutta Tramways Corporation DCW Diesel Component Works, Patiala DMRC Delhi Metro Rail Corporation Indian Railway Conference Association (body that issues inspection IRCA guidelines, allots wagon codes, inspects workshops) Indian Railways Construction Company, now IRCON International Ltd., IRCON which takes on contract work to build railways in other countries (Iraq, Nepal, Indonesia...). IRCOT Indian Railways Central Organization for Telecom IRCTC Indian Railways Catering and Tourism Corporation IREB Indian Railways Executive Board (proposed) IRFC Indian Railways Finance Corporation IRIATT Indian Railways Institute of Advanced Track Technology IRICEN Indian Railways Institute of Civil Engineering, Pune IRIEEN Indian Railways Institute of Electrical Engineering, Nasik IRIMEE Indian Railways Institute of Mechanical and Electrical Engineering, Jamalpur Indian Railways Insitute of Signal Engineering and Telecommunications, IRISET Secunderabad IRPS indian Railway Personnel Services (human resources) IRRA Indian Railways Regulatory Authority (proposed) IRSE Indian Railway Service of Engineers IRSEE Indian Railway Service of Electrical Engineers IRSME Indian Railway Service of Mechanical Engineers IRSS Indian Railway Stores Services (inventory control) IRSSE Indian Railway Service of Signal Engineers IRSTE Indian Railway Signal and Telecom Engineering IRTS Indian Railway Traffic Services (management, marketing) ISRS Indian Steam Railway Society ITB International Tourist Bureau (New Delhi) KRCL Konkan Railway Corporation, Ltd. KRDC Konkan Railway Development Corporation K-RIDE Rail Infrastructure Development Corporation (Karnataka) Ltd. KRIST Konkan Railway Institute for Staff Training LRDSS Long Range Decision Support System MPT Mumbai Port Trust (see BPT) MRSP Model Railway Society of Pune MRTS Mass Rapid Transit System (Chennai) MRVC Mumbai Rail Vikas Corporation MTP Metropolitan Transport Project (Railways), Bombay MUTP Mumbai Urban Transport Project (a World Bank project) NFIR National Federation of Indian Railwaymen (union organization) RCIL Railtel Corporation of India, Ltd. RDSO Research, Design and Standards Organization ROMA Railway Officers' Medical Association RPF Railway Protection Force (also see below, Miscellaneous) RSC Railway Staff College, Vadodara Rail India Technical and Economic Services, which takes on planning, RITES design, and operational work in other countries (Angola, Mozambique, Zimbabwe, Botswana, Mexico, Zambia, Nepal, etc.). RTRC Railway Testing and Research Centre (a predecessor of RDSO) RWWCO Railway Women's Welfare Central Organization RVNL Rail Vikas Nigam Ltd. SGE Siemens and General Electric Railway Signal Co., Ltd. WAP Wheel and Axle Plant, Yelahanka (also a loco classification :-) ) Technical acronyms ABS Automatic Block Signalling ACD Anti-Collision Device ARTS Data Manager (system for managing EPROMs and station ADAM configuration cartridges for ARTS) AE Automatic Emergency or Auto-Emergency (type of brake system) AFTC Audio Frequency Track Circuiting ATC Automated Train Control ATP Automatic Train Protection ATS Automatic Train Stop AVB Automatic Vacuum Brake ATS Automatic Train Stop BPC Brake Power Certificate (issued before train departure) BS Braking in Series configuration BSL Block Section Limit BSP Braking in Series-Parallel configuration CDO Coaching Depot CLS Colour-light signalling COCR Confirmatory Oscillograph Car Run COFC Container on flat car CTC Centralised Traffic Control CTR Complete Track Renewal CWR Continuous Welded Rail (0.5km and longer sections of welded rail) DAC Digital Axle Counter Design-Build-Finance-Operate (a scheme for private parties to build and run DBFO railway lines with IR's help) From the French disjoncteur, the main circuit breaker of an electric loco DJ (usually pneumatically operated, roof-mounted) DLBI Double Line Block Instrument DEMU Diesel-Electric Multiple Unit DETC Diesel-Electric Tower Car DHMU Diesel Hydraulic Multiple Unit (hydraulic transmission DMU) DMH Dead Man's Handle (on EMUs) DMU Diesel Multiple Unit DPC Driving Power Car Disconnecting Switch (to switch off OHE power to loco circuits, usually DS manual) DTC Driving Trailer Car (unpowered driving car in EMU rake) DW Double wire (of semaphore signals) EA Extra (time) Allowed (make-up time noted in working time-tables) ELCM Electronic Load Control Module (governor for DEMUs and other diesels). EMU Electric Multiple Unit EOG End-On Generator Car ETCS European Train Control System EY Empty (notation for empty rake in real-time train information systems) FM Fouling Mark Frequency-modulated Voice-frequency Telegraph (used for control FMVFT communications by signals / electric traction / traffic control staff) FOR Forward motion (position of master controller in loco) FP Fouling Point; also Feed Pipe (at couplings of vehicles) GTO Gate Turn-Off thyristor HEP Head-end Power (power from the loco for the coaches) HFTC High-Frequency Track Circuit HOBC High-Output Ballast Cleaner HOG Head-On Generator HHPDMU High-Horsepower Diesel Electric Multiple Unit HPDMU High-powered Diesel Multiple Unit HSCB High-speed Circuit Breaker HT High Tension HTCBC High Tensile-strength Centre-Buffer Coupler HTS High Tensile-strength Steel IGBT Insulated Gate Bipolar Transistor NTES National Train Enquiry System NX eNtrance-eXit (interlocking panels) OFC Optical Fibre Cable Supervisory Control and Data Acquisition (monitoring and control system for SCADA remote control of electric traction systems) SE Superelevation (of curved track) S/L Shunting Limit SLBI Single Line Block Instrument SOD Schedule of Dimensions SPAD Signal Passed At Danger SPTM Self-Printing Ticket Machine SSDAC Solid State Digital Axle Counter SSI Solid State Interlocking STR Schedule of Technical Requirements STRI Stencil type Route Indicator SW Single wire (of semaphore signals) SWR Short Welded Rail (2-4 rails welded together in a section) TAB Train Air Brake TALQ Two-Aspect Lower Quadrant TAWD Train Actuated Warning Device TBTR Through Bridge Timber Renewal TFR Through Fitting Renewal TLC Traction Locomotive Controller TPC Traction Power Controller USFD Ultrasonic Flaw Detection COMPUTER ABBREVIATIONS ADM Add/drop multiplexer AIS Alarm indication signal APS Automatic protection switching (channels K1, K2) ATM Asynchronous transfer mode AUG Administrative unit group BBE Background block error (G.826) BBER Background block error ratio (G.826) BER Bit error ratio BIP-2 BIP-2 parity word in VC-1, 2 path (POH) BIP-N Bit interleaved parity, N bits BSHR Bi-directional self-healing ring CAS Channel-associated signaling CCM Cross-connect multiplexing CMIP Common management information protocol CSES Consecutive severely errored seconds DCC Data communication channel DCN Data communication network DWDM Dense wavelength division multiplexing DXC Digital cross-connect EBC Errored block count ECC Embedded communication channel EDC Error detection code EFS Error-free second ES Errored second (G.826) ESR Errored seconds ratio (G.826) FAS Frame alignment signal ISDN Integrated services digital network ISO International standardization organization LAN Local area network LOF Loss of frame LOM Loss of multiframe LOP Loss of pointer LOS Loss of signal MSOH Multiplexer section overhead MTIE Maximum time interval error OAM Operation, administration and management OOF Out of frame PDH Plesiochronous digital hierarchy PLL Phase-locked loop POH Path overhead PRBS Pseudo-random binary sequence PRC Primary reference clock QoS Quality of service RDI Remote defect indicator REI Remote error indicator ROSE Remote operations service element RSOH Regenerator section overhead SDH Synchronous digital hierarchy SES Severely errored second SESR Severely errored seconds ratio SHR Self-healing ring SMN SDH management network SMS SDH management sub-network SOH Section overhead SPRING Shared protection ring STM Synchronous transport module STM-N Synchronous transport module, level N= 1, 4, 16, 64 STS Synchronous transport signal TMN Telecommunications management network ********************.