====== Jargon Buster ====== ~~NOTOC~~ This page is based on the original MERG glossary.\\ Before adding entries, please read **[[helpsystem:glossaryguide|guide to adding entries]]** a how to do it for MERG Members.\\ **[[#a|A]] [[#b|B]] [[#c|C]] [[#d|D]] [[#e|E]] [[#f|F]] [[#g|G]] [[#h|H]] [[#i|I]] [[#j|J]] [[#k|K]] [[#l|L]] [[#m|M]] [[#n|N]] [[#o|O]] [[#p|P]] [[#q|Q]] [[#r|R]] [[#s|S]] [[#t|T]] [[#u|U]] [[#v|V]] [[#w|W]] [[#X]] Y [[#z|Z]] ** ===== A ===== [[glossary_a#AC|AC]] - Alternating Current\\ [[glossary_a#Accessory decoders|Accessory decoders]]\\ [[glossary_a#Accessory encoder|Accessory encoder]]\\ [[glossary_a#Address|Address]]\\ [[glossary_a#Agile|Agile]]\\ [[glossary_a#Amplifier|Amplifier]]\\ [[glossary_a#AM|AM]] - Amplitude Modulation\\ [[glossary_a#Amps or Ampere|Amps or Ampere]] - The measure of electrical current flow\\ [[glossary_a#Analogue|Analogue]]\\ [[glossary_a#AND|AND]]\\ [[glossary_a#API|API]] - Application Program Interface\\ [[glossary_a#Arduino|Arduino]]\\ [[glossary_a#ASCII|ASCII]] - American Standard Code for Information Interchange\\ [[glossary_h#Hexadecimal or Hex|ASCII Hex]] - Hexadecimal\\ [[glossary_a#Aspect|Aspect]]\\ [[glossary_a#At-Bus]] - (Layout) Control Bus\\ [[glossary_a#ATC|ATC]] - Automatic Train Control\\ [[glossary_a#Auto Reverse Module|Auto Reverse Module]]\\ [[glossary_a#AVR|AVR]] - Microcontroller family\\ [[glossary_a#AWG|AWG]] - American Wire Gauge\\ ===== B ===== [[glossary_b#Back EMF|Back EMF]] - Back Electromotive Force\\ [[glossary_b#Baud|Baud]]\\ [[glossary_b#BC3|BC3]]\\ [[glossary_b#Bell signals|Bell signals]]\\ [[glossary_b#bga|BGA]] - Ball Grid Array\\ [[glossary_b#Bipolar|Bipolar]]\\ [[glossary_b#Bistable|Bistable]]\\ [[glossary_b#bit|Bit]]\\ [[glossary_b#bite|Bite]]\\ [[glossary_b#bipolar|BJT]] - Bipolar Junction Transistor\\ [[glossary_b#Block Control|Block Control]]\\ [[glossary_b#Block occupancy|Block occupancy]]\\ [[glossary_b#BloNg|BloNg]] - Block oriented N-Gauge\\ [[glossary_b#Boolean|Boolean]]\\ [[glossary_b#Booster|Booster]]\\ [[glossary:glossary_b#bootloader|BootLoader]]\\ [[glossary_b#Bps|Bps]] - Bits per second\\ [[glossary_b#Bridge rectifier|Bridge rectifier]]\\ [[glossary_b#Buffer|Buffer]]\\ [[glossary_b#Bus|Bus]]\\ [[glossary_b#byte|Byte]]\\ ===== C ===== [[glossary_c#C/MRI|C/MRI]] - Computer/Model Railroad Interface\\ [[glossary_c#Cab Control|Cab Control]]\\ [[glossary_c#Cabling|Cabling]]\\ [[glossary_c#CAN or CAN BUS|CAN or CAN BUS]] - Controller Area Network\\ [[glossary_c#CAN related projects from MERG|CAN related projects from MERG]] - CBUS Modules\\ [[glossary_c#Capacitor|Capacitor]]\\ [[glossary_c#CARLOS|CARLOS]] - Computer Aided Railway Layout Operating System\\ [[glossary_c#CBUS|CBUS]] - (Layout) Control Bus\\ [[glossary_c#CDC|CDC]] - Communications Device Class\\ [[glossary_c#CDU|CDU]] - Capacitor Discharge Unit\\ [[glossary_c#CE Mark|CE Mark]] - Conformité Européenne\\ [[glossary_c#Ceramic|Ceramic]]\\ [[glossary_c#Channel|Channel]]\\ [[glossary_c#Charlieplexing|Charlieplexing]]\\ [[glossary_c#Circuit|Circuit]]\\ [[glossary_f#fifo|Circular Buffer]] - FiFo\\ [[glossary_c#Clearing Point|Clearing Point]]\\ [[glossary_c#Clock|Clock]]\\ [[glossary_c#Closed loop|Closed loop]]\\ [[glossary_c#CMOS|CMOS]] - Complementary Metal–Oxide–Semiconductor\\ [[glossary_c#Coil|Coil]]\\ [[glossary_c#Colour Light|Colour Light]]\\ [[glossary_c#COM Port|COM Port]] - Communication Port\\ [[glossary_c#Command Station|Command Station]]\\ [[glossary_c#Common|Common]]\\ [[glossary_c#Common Return Wiring|Common Return Wiring]]\\ [[glossary_c#Computer Control Software|Computer Control Software]]\\ [[glossary_c#Conductor|Conductor]]\\ [[glossary_c#Consist|Consist]]\\ [[glossary_c#Control Systems|Control Systems]]\\ [[glossary_c#Crystal|Crystal]]\\ [[glossary_c#Current|Current]]\\ [[glossary_c#Current Shunt|Current Shunt]]\\ [[glossary_c#CV|CV]] - Configuration Variable\\ ===== D ===== [[glossary_d#D Type Connector|D Type Connector]]\\ [[glossary_d#DC|DC]] - Direct Current\\ [[glossary_d#DC Control|DC Control]]\\ [[glossary_d#DCC|DCC]] - Digital Command Control\\ [[glossary:glossary_d#dcc-ex|DCC-EX]]\\ [[glossary_d#DCO|DCO]] - District Cut-Out\\ [[glossary_d#dct|DCT]] - see DTC\\ [[glossary_d#Debounce|Debounce]]\\ [[glossary_d#DecoderPro|DecoderPro]]\\ [[glossary_d#Decoupling Capacitor|Decoupling Capacitor]]\\ [[glossary_d#Digital|Digital]]\\ [[glossary_d#Digitrax|Digitrax]]\\ [[glossary_d#DIL Socket|DIL Socket]] - Dual In-Line socket\\ [[glossary_d#Diode|Diode]]\\ [[glossary:glossary_d#dirty_psu|Dirty PSU]] - Dirty Power Supply Unit\\ [[glossary_d#DPDT|DPDT]] - Double Pole Double Throw\\ [[glossary_d#DPR|DPR]] - Double Pole Relay\\ [[glossary_d#DPST|DPST]] - Double Pole Single Throw\\ [[glossary_d#Driver|Driver]]\\ [[glossary d#dtc|DTC]] - DCC Track Circuit\\ ===== E ===== [[glossary_e#EDG|EDG]] - Event Data Grid\\ [[glossary_e#EEPROM|EEPROM]] - Electrically Erasable Programmable Read-Only Memory\\ [[glossary_e#Electro Frog|Electro Frog]]\\ [[glossary_e#Electromagnet|Electromagnet]]\\ [[glossary_e#emf|EMF]] - Electromotive Force\\ [[glossary_e#Engine Driver|Engine Driver]] - Android Throttle Application \\ [[glossary_e#eprom|EPROM]] - Erasable Programmable Read-Only\\ [[glossary_e#ESD|ESD]] - Electo Static Discharge \\ [[glossary_e#ESR|ESR]] - Equivalent Series Resistance \\ [[glossary:glossary_e#ev|EV]] - Event Variable\\ [[glossary:glossary_e#event|Event]]\\ ===== F ===== [[:glossary:glossary_f#faller|Faller]]\\ [[:glossary:glossary_f#fallercarsystem|FallerCarSystem]]\\ [[:glossary:glossary_f#fast_clock|Fast clock]]\\ [[:glossary:glossary_f#FCU|FCU]] - Full layout implementation model Configuration Utility\\ [[:glossary:glossary_f#FDM|FDM]] - Fused Deposition Modeling (3D Printing)\\ [[:glossary:glossary_f#feathers|Feathers]]\\ [[:glossary:glossary_f#FET|FET]]- Field Effect Transistor\\ [[:glossary:glossary_f#fifo|FIFO]] - First In First Out\\ [[:glossary:glossary_f#firmware|Firmware]]\\ [[glossary_f#flag|Flag]]\\ [[glossary_f#flash_memory|Flash Memory]]\\ [[:glossary:glossary_f#FLiM|FLiM]] - Full Layout implementation Model\\ [[:glossary:glossary_f#flip_flop|Flip flop]]\\ [[:glossary:glossary_f#FM|FM]] - Frequency Modulation\\ [[:glossary:glossary_f#frequency|Frequency]]\\ [[:glossary:glossary_f#FSM|FSM]] - Finite State Machine\\ [[:glossary:glossary_f#FTDI|FTDI]] - Future Technology Development International (connection devices)\\ [[:glossary:glossary_f#fuse|Fuse]]\\ ===== G ===== [[glossary_g#Gerber|Gerber image]]\\ [[glossary_g#GIT|GIT repository]]\\ [[glossary_g#GPP software|GPP software]]\\ [[glossary_g#GPIO|GPIO]] - General Purpose Input and Output\\ [[glossary_g#Ground|Ground]]\\ ===== H ===== [[glossary_h#Hall effect|Hall effect]]\\ [[glossary_h#Handset|Handset]]\\ [[glossary_h#handshaking|Handshaking]]\\ [[glossary_h#happening|Happening]]\\ [[glossary_h#hasl|HASL]] - Hot Air Solder Leveling\\ [[glossary_h#Header plug or socket|Header plug or socket]]\\ [[glossary_h#Heat sink|Heat sink]]\\ [[glossary_h#Hector|Hector]]\\ [[glossary_h#Hexadecimal or Hex|Hexadecimal or Hex]]\\ [[glossary_h#High|High]]\\ [[glossary_h#HO Scale|HO Scale]]\\ [[glossary_h#HYPOTRAC|HYPOTRAC]]\\ [[glossary_h#Hysteresis|Hysteresis]]\\ [[glossary_h#Hysteresis loop|Hysteresis loop]]\\ ===== I ===== [[glossary_i#ICs|ICs]] - Integrated Circuits\\ [[glossary:glossary_i&#icsp|ICSP]] - In Circuit Serial Programming\\ [[glossary_i#Incandescent lamps|Incandescent lamps]]\\ [[glossary_i#Include Guard|Include Guard]] - also pragma once\\ [[glossary_i#Inductor|Inductor]]\\ [[glossary_i#Infrared emitter|Infrared emitter]]\\ [[glossary_i#Infrared receiver/detector|Infrared receiver/detector]]\\ [[glossary_i#Insulfrog|Insulfrog]]\\ [[glossary_i#Interlocking|Interlocking]]\\ [[glossary_i#ISR|ISR]] - Interrupt Service Routine\\ ===== J ===== [[glossary_j#JAL|JAL]] - Just Another Language\\ [[glossary_j#Java|Java]]\\ [[glossary_j#JMRI|JMRI]] - Java Model Railroad Interface\\ [[glossary_j#json|JSON]] - JavaScript Object Notation\\ ===== K ===== [[glossary_k#Kits|Kits]]\\ [[glossary_k#Knowledgebase|KnowledgeBase]]\\ KSM Kit Sales Manager - email on the Kitlocker page ===== L ===== [[glossary_l#Latching|Latching]] - the new state is held until it is changed\\ [[glossary_l#LCB|LCB]] - Layout Control Bus\\ [[glossary_l#LCC|LCC]] - NMRA's Layout Command Control (equiv. to OpenLCB)\\ [[glossary_l#LDR|LDR]] - Light Dependent Resistor\\ [[glossary_l#Lead free|Lead free]] - usually refers to a type of solder\\ [[glossary_l#LED|LED]] - Light Emitting Diode\\ [[glossary_l#LENZ|LENZ]] - European manufacturer of DCC equipment\\ [[glossary:glossary_l#lifo|LiFo]] - Last in First out\\ [[glossary_l#Lighting decoder|Lighting decoder]]\\ [[glossary_l#Logic|Logic]] - refers to circuits ot calculations on binary information\\ [[glossary:glossary_e#long_event|Long Event]] - 32-bit eventid\\ ===== M ===== [[:glossary:glossary_m#magnet|Magnet]]\\ [[:glossary:glossary_m#matrix|Matrix]]\\ [[glossary:glossary_m#memory_wire|Memory Wire]]\\ [[:glossary:glossary_m#microprocessor|Microprocessor]]\\ [[:glossary:glossary_m#mmc|MMC]] - MERG Management Committee.\\ [[:glossary:glossary_m#mmc|MMC]] - Module Management Console for the configuration and management of CBUS and VLCB modules.\\ [[:glossary:glossary_m#mobile_decoder|Mobile decoder]]\\ [[:glossary:glossary_m#modulation|Modulation]]\\ [[:glossary:glossary_m#MOMS|MOMS]] - MERG Online Membership System\\ [[:glossary:glossary_m#monostable|Monostable]]\\ [[:glossary:glossary_m#MOSFET|MOSFET]] - Metal-Oxide-Semiconductor Field-Effect Transistor\\ [[:glossary:glossary_m#msag|MSAG]] - MERG Somerset Area Group\\ [[:glossary:glossary_m#multiplexor|Multiplexor]] ===== N ===== [[glossary_n#NAND|NAND]] - Not AND\\ [[glossary_n#Negative|Negative]]\\ [[glossary_n#NMRA|NMRA]] - National Model Railroad Association\\ [[glossary_n#NMRAnet|NMRAnet]] - Early Layout Command Control\\ [[glossary_n#NOR|NOR]] - Not OR\\ [[glossary_n#NPN|NPN]] - Type of transistor\\ [[glossary:glossary_n#nv|NV]] - Node Variable\\ ===== O ===== [[glossary_o#Octal Darlington Arrays|Octal Darlington Arrays]]\\ [[glossary_o#Ohms|Ohms]] - a measurement of electrical resistence\\ [[glossary_o#OP|OP]] - Original Post(er)\\ [[glossary_o#Op amp|Op amp]] - operational amplifier, often refers to an electronic chip\\ [[glossary_o#Open collector|Open collector]] - a circuit with a transistor that not connected\\ [[glossary_o#OpenLCB|OpenLCB]] - Open Layout Control Bus (equiv to LCC)\\ [[glossary_o#Optical detector|Optical detector]]\\ [[glossary_o#Opto-isolator|Opto-isolator]]\\ [[glossary_o#OR|OR]] - a logical operation similar to arithmetic addition\\ [[glossary_o#Oscillation|Oscillation]]\\ [[glossary_o#Oscilloscope|Oscilloscope]] - an electronics instrument that displays waveforms\\ ===== P ===== [[glossary_p#Parallel|Parallel]]\\ [[glossary_p#PCB|PCB]] - Printed Circuit Board\\ [[glossary_p#PCB software|PCB software]]\\ [[glossary_p#Peco motor|Peco motor]]\\ [[glossary_p#PEI|PEI]] - Polyetherimide\\ [[glossary_p#Phase|Phase]]\\ [[glossary_p#PIC|PIC]] - Peripheral Interface Controller\\ [[glossary_p#pickit|PICKit]]\\ [[glossary_p#piso|PiSo]] - Parallel in Serial out\\ [[glossary:glossary_p#pla|PLA]] - Polylactid Acid or Programmable Logic Array\\ [[glossary_p#PM|PM]] - Phase Modulation or Pulse Modulation\\ [[glossary_p#PMD1|PMD1]]\\ [[glossary_p#PMD2|PMD2]]\\ [[glossary_p#PMP|PMP]] - Pocket Money Project\\ [[glossary_p#PMR1|PMR1]]\\ [[glossary_p#PNP|PNP]] - Type of Transistor\\ [[glossary_p#Point Motors|Point Motors]]\\ [[glossary_p#Points|Points]]\\ [[glossary_p#Polarity|Polarity]]\\ [[glossary_p#Positive|Positive]]\\ [[glossary_p#POR|POR]] - Power On Reset\\ [[glossary_p#Pot|Pot]] - Potentiometer\\ [[glossary_p#Potentiometer|Potentiometer]]\\ [[glossary_p#Power district|Power district]]\\ [[glossary_p#Power pack|Power pack]]\\ [[glossary_p#Programming|Programming]]\\ [[glossary_p#Progressive cab control|Progressive cab control]]\\ [[glossary_p#PSU|PSU]] - Power Supply Unit\\ [[glossary_p#PTP|PTP]] - Point to Point\\ [[glossary_p#ptp-lite|PTP-Lite]]\\ [[glossary_p#Pulse|Pulse]]\\ [[glossary_p#PWM|PWM]] - Pulse Width Modulation\\ [[glossary_p#Pulsed output|Pulsed output]]\\ ===== Q ===== [[glossary_q#qfn|QFN]] - Quad Flat No Leads - a surface mount IC package\\ [[glossary_q#qfp|QFP]] - Quad Flat Pack - a surface mount IC package\\ [[glossary_q#QTU|QTU]] - Quad Throttle Unit\\ ===== R ===== [[glossary_r#RailCom|RailCom]]\\ [[glossary_r#Raspberry Pi|Raspberry Pi]]\\ [[glossary_r#RC filter|RC filter]] - Resistance and Capacitor Filter\\ [[glossary_r#Rectification|Rectification]]\\ [[glossary_r#Reed Switch|Reed Switch]]\\ [[glossary_r#Regulated power supply|Regulated power supply]]\\ [[glossary_r#Relays|Relays]]\\ [[glossary_r#Resistor|Resistor]]\\ [[glossary_r#Resistor network|Resistor network]]\\ [[glossary_r#Resonator|Resonator]]\\ [[glossary_r#Reverse polarity|Reverse polarity]]\\ [[glossary_r#rfc|RFC]] - Request For Comment\\ [[glossary_r#rfid|RFID]] - Radio Frequency IDentification\\ [[glossary_f#fifo|Ring Buffer]]\\ [[glossary_r#Risk assessment|Risk assessment]]\\ [[glossary_r#RLSC|RLSC]] - Reversed Linked Section Control\\ [[glossary_r#RMS|RMS]] - Root Mean Square\\ [[glossary_r#Road Vehicle Control|Road Vehicle Control]]\\ [[glossary_r#Route setting|Route setting]]\\ [[glossary_r#RPC|RPC]] - Remote Panel Control\\ [[glossary_r#RPI|RPI]] - Remote Panel Interface\\ [[glossary_r#RS232|RS232]]\\ [[glossary_r#RS485|RS485]]\\ [[glossary_r#RSA|RSA]] - a MERG RS232 to RS485 converter\\ [[glossary_r#RSE|RSE]] - Remote Stack Extension\\ [[glossary_r#RTC|RTC]]\\ [[glossary_r#RTFM|RTFM]] - Read The Flipping Manual\\ [[glossary_r#RTOS|RTOS]] - Real-Time Operating System\\ ===== S ===== [[glossary:glossary_s|SABLE]] - Stash Acquired Beyond Life Expectancy\\ [[glossary:glossary_s#schottky_diode|Schottky Diode]]\\ [[glossary_s#SD4|SD4]] - Remote Panel Control module\\ [[glossary_s#Seep motor|Seep motor]]\\ [[glossary_s#Semaphore|Semaphore]]\\ [[glossary_s#Series|Series]]\\ [[glossary_s#Servo|Servo]]\\ [[glossary_s#Shift register|Shift register]]\\ [[glossary:glossary_e#short_event|Short Event]]\\ [[glossary_s#Signalling|Signalling]]\\ [[glossary_s#sipo|SiPo]] - Serial in Parallel out\\ [[glossary_s#SLiM|SLiM]] - Simple/Small Layout implementation Model\\ [[glossary_s#Smoothing|Smoothing]]\\ [[glossary_s#smps|SMPS]] - Switch Mode Power Suppply\\ [[glossary_s#SoC|SoC]] - System on Chip\\ [[glossary_s#sod|SoD]] - Start of Day\\ [[glossary_s#Solid conductor|Solid conductor]]\\ [[glossary_s#Sound decoder|Sound decoder]]\\ [[glossary_s#Soundtrax|Soundtrax]]\\ [[glossary_s#SPAD|SPAD]] - Signal Passed At Danger\\ [[glossary_s#SPDT|SPDT]]- Single Pole Double Throw\\ [[glossary_s#SPI|SPI]] - Serial Peripheral Interface\\ [[glossary_s#Sprog|Sprog]]\\ [[glossary_s#SPST|SPST]] - Single Pole Single Throw\\ [[glossary_s#SRI4|SRI4]] - Remote Panel Control module\\ [[glossary_s#SRO4|SRO4]] - Remote Panel Control module\\ [[glossary_s#SSI|SSI]]\\ [[glossary_s#Star network|Star network]]\\ [[glossary_s#Stationary decoder|Stationary decoder]]\\ [[glossary_s#stay_alive|Stay Alive]]\\ [[glossary_s#Steady state|Steady state]]\\ [[glossary_s#SToC|SToC]] - Searchable Table of Contents\\ [[glossary_s#Stranded conductor|Stranded conductor]]\\ [[glossary_s#SuperBloc|SuperBloc]]\\ [[glossary_s#SWG|SWG]] - Standard Wire Gauge\\ [[glossary_s#Switch|Switch]]\\ [[glossary_s#Switch machine|Switch machine]]\\ [[glossary_s#switch_mode_smps|Switch mode]]\\ ===== T ===== [[glossary_t#Tag strip|Tag strip]]\\ [[glossary_t#TB|TB]] - Technical Bulletin\\ [[glossary_t#TCC|TCC]] - Train Control Centre/Center\\ [[glossary_t#Technical Data|Technical Data]]\\ [[glossary_t#Throttle/handset|Throttle/handset]]\\ [[glossary_t#Timers|Timers]]\\ [[glossary_t#Toggle|Toggle]]\\ [[glossary:glossary_t#torr|TORR]] - Train Operated Route Release\\ [[glossary_t#Tortoise motor|Tortoise motor]]\\ [[glossary_t#Toti|ToTI]] - Train-on-Track Indicator\\ [[glossary_t#tou|TOU]] - Turnout Operating Unit\\ [[glossary_t#Track circuit|Track circuit]]\\ [[glossary_t#Track cleaner|Track cleaner]]\\ [[glossary_t#Train detection|Train detection]]\\ [[glossary_t#Transducer|Transducer]]\\ [[glossary_t#Transformer|Transformer]]\\ [[glossary_t#Transistor|Transistor]]\\ [[glossary_t#TriState|Tri-State]] - Three State output pin\\ [[glossary_t#Turnout actuator|Turnout actuator]]\\ [[glossary_t#tvs|TVS]] - Transient Voltage Suppressor\\ [[glossary_t#Twinkling|Twinkling]]\\ ===== U ===== [[glossary_u#uart or usart|UART or USART]] - Universal Synchronous and/or Asynchronous Receiver/Transmitter\\ [[glossary_u#Unregulated power supply|Unregulated power supply]]\\ [[glossary_u#USB|USB]] - Universal Serial Bus\\ [[glossary_u#USI|USI]] - Universal Serial Interface\\ ===== V ===== [[glossary_v#Via|Via]]\\ [[glossary_v#VCP|VCP]] - Virtual Communications Port\\ [[glossary_v#Volt|Volt]] The measure of electrical potential difference\\ [[glossary_v#Voltage regulator|Voltage regulator]]\\ ===== W ===== [[glossary_w#Watt|Watt]]\\ [[glossary_w#Welding simulator|Welding simulator]]\\ [[glossary_w#Wiki|Wiki]]\\ ===== X ===== [[glossary_x#xlr|XLR Connector]]\\ [[glossary_x#xor|XOR Gate]] - Exclusive OR Gate\\ ===== Z ===== [[glossary_z#Zener diode|Zener diode]]\\ [[glossary_z#Zero 1|Zero 1]]\\ [[glossary_z#zif_socket|ZIF socket]] - Zero Insertion Force socket\\ [[glossary_z#ZIMO|ZIMO]] - Austrian DCC supplier\\ [[glossary_z#ZTC|ZTC]] - British DCC supplier\\