Heart Attacks
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 |
|IRCA |Indian Railway Conference Association (body that issues inspection guidelines, allots wagon codes, inspects |
| |workshops) |
|IRCON |Indian Railways Construction Company, now IRCON International Ltd., 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 |
|IRISET |Indian Railways Insitute of Signal Engineering and Telecommunications, 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 |
|RITES |Rail India Technical and Economic Services, which takes on planning, 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 |
|ADAM |ARTS Data Manager (system for managing EPROMs and station 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 |
|DBFO |Design-Build-Finance-Operate (a scheme for private parties to build and run railway lines with IR's help) |
|DJ |From the French disjoncteur, the main circuit breaker of an electric loco (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 |
|DS |Disconnecting Switch (to switch off OHE power to loco circuits, usually 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 |
|FMVFT |Frequency-modulated Voice-frequency Telegraph (used for control 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 |
|SCADA |Supervisory Control and Data Acquisition (monitoring and control system for 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
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