EAG - ETC Acronym Guide
Here is a glossary of some of the common acronyms, abbreviations and initialisms used by ETC
| 789 | Keystroke sequence to reset many ETC consoles to default system parameters | ETC control consoles |
| 10 Base 2 | Coaxial cable based Ethernet; also known as "thinnet" | Ethernet |
| 10 Base 5 | Multi-cable based Ethernet; also known as "thicknet" | Ethernet |
| 100BaseFX | Multi-mode or single mode fiber optic Ethernet, 100 Mbps, full-duplex capable | Ethernet |
| 100BaseTX | Unshielded Twisted Pair Ethernet, Category 5, 100 Mbps full-duplex capable | Ethernet |
| 10BaseFL | Multi-mode fiber optic Ethernet, 10 Mbps, full-duplex capable, replaces FOIRL | Ethernet |
| 10BaseT | Unshielded Twisted Pair Ethernet, Cat. 3/4/5, 20 MHz, full-duplex capable | Ethernet |
| 1PH | Single phase option kit for Unison dimming racks | Unison |
| 2P&G | "Two Pin and Ground" electrical connector, also known as "Stage Pin" | Electronics industry |
| AAS | Analog Address System - architectural control system | LMI architectural |
| AC | Alternating Current | Electronics industry |
| ACLM | Acclaim series lighting console | ETC control consoles |
| ACN | Advanced Control Network | |
| ACS | Architectural Control System | LMI architectural |
| A-D | Analog to Digital | Electronics industry |
| ADC | Analog to Digital Converter | Electronics industry |
| AF | Advanced Features - option available for ETC Sensor dimmer racks | Sensor |
| AFM | Airflow Module - Sensor dimmer rack option | Sensor |
| AIR | Airflow Module - Unison external processor rack option | Unison |
| ALC | Architectural Lighting Controller, I.e. A Unison Processor | Unison |
| AMX | Analog Multiplex control signal | entertainment industry |
| APS | Architectural power supply | Irideon |
| AR5 V.1 | Irideon luminare, version 1 (V.2 is version 2) | Irideon |
| AR500 | trademark name for Irideon line exterior wash luminaire | Irideon |
| ARCH | Unison Architectural Option Board | Unison |
| ARR | Architectural Receiver, Rack-mount | LMI architectural |
| ARRI | ARRI-GB, London dealer that became ETC LTD | ETC control consoles |
| ARW | Architectural Receiver, Wall-mount | LMI architectural |
| ASCII | American Standard Code for Information Interchange | Electronics industry |
| ASTS | Alternate Source Transfer System | general dimming |
| ATC | Astronomical Time Clock | accessory |
| ATM | Asynchronous Transfer Mode | Ethernet |
| AUX | Auxiliary 12V/24VDC power required by certain Unison control stations | Unison |
| AUX POWER | Auxiliary 12V/24VDC power required by certain Unison control stations | Unison |
| AUX RACK | Sensor Auxiliary Rack, used to terminate power input for a control system | Sensor |
| AX | Unison Auxiliary Rack, used to terminate power input for a control system | Unison |
| AX6 | Unison Auxiliary Rack, small size | Unison |
| B96F | Analog Breakout Box (female) Centronics to Cinch-Jones | LMI dimming |
| B96M | Analog Breakout Box (male) Centronics to Cinch-Jones | LMI dimming |
| BC | Branch Circuit Breaker | Electronics industry |
| BGP | Border Gateway Protocol | Ethernet |
| BISDN | Broadband Integrated Services Digital Network | Ethernet |
| BL-12 | Brighton Lights 12 channel dimmer pack | LMI dimming |
| BM | Blank Module | Revolution |
| BOM | Bill Of Materials | |
| Bps | Bits Per Second | Electronics industry |
| BRI | Basic Rate Interface | Ethernet |
| BYP | Bypass Option board available for Unison dimmer racks | Unison |
| CAC | Central Audio Controller - Disney audio control PC | Disney |
| CAT 5 | IEEE 802.3 (Ethernet Category 5) | Ethernet |
| CC | Constant Current circuit breaker | general dimming |
| CD-80 | Strand Century dimmer rack series | Strand product |
| CEM | Control Electronics Module - Sensor dimmer racks | Sensor |
| CGI | Common Gateway Interface | Ethernet |
| CH2 | Lighting Methods Incorporated control console | LMI control |
| CISC | Complex Instruction Set Computer (processor) | Computer industry |
| CLC | Central Lighting Controller - PC running Light Manager software on PWC systems | PWC |
| CLNP | Connectionless Network Protocol | Ethernet |
| CLTP | Connectionless Transport Protocol | Ethernet |
| CMB | Unison Control Module - Basic architectural | Unison |
| CMBd | Unison Control Module - Basic architectural and dimming | Unison |
| CMd | Unison Control Module - Dimming only | Unison |
| CME | Unison Control Module - Extended Architectural | Unison |
| CMEd | Unison Control Module - Extended architectural and dimming | Unison |
| CMEi | Unison Control Module - Extended Architectural with Ethernet option | Unison |
| CMIP | Common Management Internet Protocol | Ethernet |
| CoS | Class of Service | Ethernet |
| CPU | Central Processor Unit | Computer industry |
| CRRFU | Congo Radio Remote Focus Unit | ETC control consoles |
| CUDI | Common User Definable Interface - Unison control system for Walt Disney Corp. | Unison |
| D192 | Digital 192 channels - Colortran digital control signal | Entertainment industry |
| D20 | Dimmer Module, 20 ampere maximum load (D20=20Amp, D50=50Amp) | general dimming |
| D-A | Digital to Analog | Electronics industry |
| DAC | Digital to Analog Converter | Electronics industry |
| DAS | Digital Address System, LMI architectural control system | LMI architectural |
| DC | Direct Current | Electronics industry |
| DIP | Dual In-line Package | Computer industry |
| DIU | Dimmer Interface (ETC/LMI 1983-1988) | LMI dimming |
| DMM | Digital Multi-Meter | Electronics industry |
| DMX | see DMX512 | Entertainment industry |
| DMX512 | Digital Multiplex - control standard for digital communication in theatrical lighting | Entertainment industry |
| DMX-I | DMX to Composer Interpreter - Irideon control signal converter box | Irideon |
| DPS | Dual Processor System | ETC control consoles |
| DR | Dimmer Rack (Unison) | Unison |
| DR12 | Dimming Rack (Unison) - 12 dimmer modules | Unison |
| DR6 | Dimming Rack (Unison) - 6 dimmer modules | Unison |
| DRC | Designers Remote Console | ETC control consoles |
| DVM | Digital Volt Meter | Electronics industry |
| DWS | Designers Worksheet | ETC control consoles |
| EA | Enhanced Aluminum (reflector), standard reflector on Source Four fixtures | Source Four |
| EAG | ETC Acronym Guide | ETC |
| EC | Electrical Contractor | Electronics industry |
| EC-DA | Electrocontrols Digital to Analog Convertor (RD Card) | LMI dimming |
| ECMUX | Electro-Controls Multiplex digital control signal | Entertainment industry |
| EC-PB | Electronic Control Plug Box | Entertainment industry |
| EC-PB-DMX | Electronic Control Plug Box (DMX) | Entertainment industry |
| ECS | Emphasis Control System | ETC control consoles |
| EDMX | DMX transmitted via Ethernet (ETC proprietary control signal) | ETC control consoles |
| EEPROM | Electrically Erasable Programmable Read-Only Memory | Computer industry |
| EIA485 | Electrical specification for DMX (also see RS485) | Electronics industry |
| ELTS | Emergency Lighting Transfer System | general dimming |
| EM- | Electronic Module - Lighting Methods Incorporated dimming control module | LMI dimming |
| EMAP | Electronic Module - Architectural Processor | LMI architectural |
| EMAR | Electronic Module - Architectural Receiver | LMI architectural |
| EMIR | Old RNC | LMI architectural |
| EMR | Electronic Module - Receiver | LMI dimming |
| EPROM | Erasable Programmable Read-Only Memory | Computer industry |
| ER4 | External Rack - for Unison processors (four slots) | Unison |
| ESTA | Entertainment Services and Technology Association | Entertainment industry |
| ETC | Electronic Theatre Controls, Inc. | Entertainment industry |
| EXP2 | Expression 2 series lighting console | ETC control consoles |
| EXP3 | Expression 3 series lighting console | ETC control consoles |
| EXPN | Expression series lighting console | ETC control consoles |
| EXPS | Express series lighting console | ETC control consoles |
| FIFO | First In, First Out (Memory) | Computer industry |
| FLO | Fluorescent Option board for Unison dimmer racks (for use with 4-wire ballasts) | Unison |
| FOH | Front of House | Entertainment industry |
| FTB | Full Tracking Backup | ETC control consoles |
| FTP | File Transfer Protocol | Ethernet |
| GC | General Contractor | Electronics industry |
| GTL | Grounded Twist Lock - electrical connector | Electronics industry |
| GUI | Graphical User Interface | Computer industry |
| HD | High Density Dimming Rack (Older dimming rack) LMI Dimmer | LMI dimming |
| HL | House Left | Entertainment industry |
| HR | House Right | Entertainment industry |
| HTML | Hypertext Markup Language | Ethernet |
| HTTP | Hypertext Transfer Protocol | Ethernet |
| I5M | Response Optical Isolation box - one input, five output | Response |
| IAD | Analog to Digital Convertor (RSVP 96 in) | Response |
| IADR | Analog to Digital Convertor Rack Mount (RSVP 96 in) | Response |
| IATSE | Internation Alliance of Theatrical Stage Employees | Entertainment industry |
| IBEW | International Brotherhood of Electrical Workers | Electronics industry |
| IC | Integrated Circuit | Computer industry |
| IDA | Digital to Analog Convertor (RSVP 96 out) | Response |
| IDAR | Digital to Analog Convertor Rack Mount (RSVP 96 out) | Response |
| IEEE | Institute of Electrical and Electronics Engineers | Electronics industry |
| ILC | Intelligent Lighting Controls, maker of DMX relay cabinents | |
| IM | Iris Module | Revolution |
| IMP2 | Impression 2 series lighting console | ETC control consoles |
| IMPN | Impression series lighting console | ETC control consoles |
| INST | Insight series lighting console - includes Insight 72 and 108 | ETC control consoles |
| IP | Internet Protocol | Ethernet |
| IPX | Integrated Package Exchange | Ethernet |
| IR | Early RNC (Also see EMIR), Lighting Methods Incorporated product | LMI dimming |
| IRFU | Infra-Red Remote Focus Unit | accessory |
| IRR | Old RNC Rack Mount, LMI product for installation in L86 dimmer racks | LMI dimming |
| ISDN | Integrated Services Digital Network | Ethernet |
| IST2 | Insight 2 series lighting console - includes Insight 2 and 2x | ETC control consoles |
| L86 | Lighting Methods Incorporated dimming product line | LMI dimming |
| LAN | Local Area Network | Ethernet |
| LCD | Liquid Crystal Display | Electronics industry |
| LD | Lighting Designer | Entertainment industry |
| LED | Light Emitting Diode | Electronics industry |
| LIB | Lighting Interface Box - A method of driving contactors with feedback. Custom Part | PWC(Disney) |
| LIR | Lighting Interface Relays - provides external contact closure or input to Unison system | Unison |
| LM | Light Manager, configuration software for Unison architectural products | Unison |
| LNB | Load Net Backup - loads program to ALC from central control via network | PWC/Unison |
| LPC | Lighting Playback Controller | ETC control consoles |
| MAC | Media Access Control | Ethernet |
| MCC | Master Control Card - PCB with DMX input in fixture base | Revolution |
| MCM | Metal Cold Mirror (reflector), optional dichroic reflector for Source Four fixtures | Source Four |
| MCP | Master Control Processor | Irideon |
| MDD | Multiple Distributed DMX card, rack mounted, one input, up to five outputs | Response |
| MDR | Multiple Distributed DMX Receiver, rack mounted, up to five inputs, one output | Response |
| ME | Master Electrician | Entertainment industry |
| Micro II | Lighting Methods Incorporated digital control signal | LMI dimming |
| MIPS | Million Instructions Per Second | Computer industry |
| Moby DAC | Response product, 512 channel digital to analog converter | Response |
| MPE | Multi-Protocol Electronics, limited feature control module for Sensor product line | Sensor dimming |
| MSC | MIDI Show Control | Entertainment industry |
| MTC | MIDI Time Code | Entertainment industry |
| MVFX | Microvision FX Dimming Console | ETC control consoles |
| MVSN | Microvision Dimming Console | ETC control consoles |
| NSL | Network Services Layer | Ethernet |
| OBS2 | Obsession II series lighting console | ETC control consoles |
| OBSN | Obsession series lighting console | ETC control consoles |
| OMC | Overall Master Controller - PC running OMC software at Disney sites | PWC(Disney) |
| OSI | Open Systems Interconnection | Ethernet |
| PAL | Programmable Array Logic | Computer industry |
| PB&G | Parallel Blade and Ground, electrical connector also known as Edison plug | Electronics industry |
| PCB | Printed Circuit Board | Electronics industry |
| PCI | PC Interface, Unison station used to connect a pc to a Unison network | Unison |
| PC-SLTA | Personal Computer - Serial LonTalk Adaptor | |
| PD | Portable Dimming, Lighting Methods Incorporated dimming rack | LMI dimming |
| PE | Production Electrician | Entertainment industry |
| PFS | Power Factor Supply | Irideon |
| PM | Project Manager | Entertainment industry |
| PM | Power Module - provides +24V supply and dims lamp. In fixture base | Revolution |
| PPP | Point to Point Protocol | Ethernet |
| PRI | Primary Rate Interface | Ethernet |
| PROM | Programmable Read-Only Memory | Computer industry |
| PWC | Park Wide Control - Extended Unison System, Used in Disney Parks | Unison/Disney |
| RAID | Redundant Array of Inexpensive Disks | Computer industry |
| RAP | Roving Analysis Port | Ethernet |
| RC | Remote Console | ETC control consoles |
| RD | Rack Dimming, Lighting Methods Incorporated dimming product line | LMI dimming |
| RDM | Remote Device Management | |
| REP | Repeater module, used in Unison ER racks to lengthen power and data runs | Unison |
| RFP | Remote Facepanel | ETC control consoles |
| RFU | Remote Focus Unit, control console accessory | ETC control consoles |
| RGO | Remote Go Option, control console option | accessory |
| RI | Remote Interface, full function network node, also see RIU | accessory |
| RISC | Reduced Instruction Set Computer | Computer industry |
| RIU | Remote Interface Unit, full function network node, also see RI | ETC control consoles |
| RMA | Return Material Authorization | |
| RMON | Remote Monitoring | Ethernet |
| RNC | Response Network Controller | Response |
| RPU | Remote Processor Unit | ETC control consoles |
| RRFU | Radio Remote Focus Unit | ETC control consoles |
| RS485 | Electrical specification for DMX (also see EIA485) | Electronics industry |
| RSP | Response interface products | Response |
| RSVP | Response Interface Products | Response |
| RTC | Real Time Clock | ETC control consoles |
| RVI | Remote Video Interface, network node for remote video | ETC control consoles |
| RWM | Rotating Wheel Module - Rotating, Indexing gobo module | Revolution |
| Rx | Receive (data) | Computer industry |
| S4R | Source 4 Revolution | Revolution |
| SAP | Serial Access Protocol, Unison, also see USAP | Unison |
| SCC | Secondary Control Card - Motor control card found in modules and fixture head | Revolution |
| SCSI | Small Computer Systems Interface | Computer industry |
| SD | (1) LMI Single Dimmer Module or (2) LMI Stage Dimmer Pack | LMI dimming |
| SERF | Obsession Main Processor Board | ETC control consoles |
| SGML | Standard Generalized Markup Language | Ethernet |
| SL | Stage Left | Entertainment industry |
| SLC-141 | Remote Focus Unit (Expression series consoles) | ETC control consoles |
| SLTA | Serial LonTalk Adapter | |
| SM | Shutter Module | Revolution |
| SMP | Stage Manager’s Panel | Entertainment industry |
| SMPTE | Society of Motion Picture & Television Engineers, analog control signal | ETC control consoles |
| SMTP | Simple Mail Transfer Protocol | Ethernet |
| SNMP | Simple Network Management Protocol | Ethernet |
| SP- | Sensor Portable, may refer to a touring rack or portable pack | Sensor |
| SPS | Single Processor System | ETC control consoles |
| SQL | Standard Query Language | Computer industry |
| SR | Stage Right | Entertainment industry |
| SR- | Sensor Rack, refers to non-portable or installation rack | Sensor |
| SWM | Static Wheel Module - Fixed (non-indexing) gobo module | Revolution |
| T1 | Transmission facility, DS 1, @ 1.54 Mbps | Computer industry |
| T3 | Transmission facility, DS 3, @ 44.736 Mbps | Computer industry |
| TC | Time Code | Entertainment industry |
| TCP | Transmission Control Protocol | Ethernet |
| TD | Technical Director | Entertainment industry |
| Tx | Transmit (data) | Computer industry |
| ULCD | Unison Liquid Crystal Display control station | Unison |
| ULP | Unison Link Power | Unison |
| ULPSA | Unison Link Power Supply | Unison |
| ULPSB | Unison Link Power Supply | Unison |
| UPLCD | Unison Portable Liquid Crystal Display control station | Unison |
| UPS | Uninterruptible Power Supply | Electronics industry |
| UPSAC |
Unison Processor Sensor Architectural Control - Early Unison processor mounted on Sensor control modules |
Unison |
| USITT | United States Institute of Theatre Technology | Entertainment industry |
| UTP | Unshielded Twisted Pair | Electronics industry |
| VLAN | Virtual Local Area Network | Ethernet |
| VOM | Volt-Ohm-Meter | Electronics industry |
| WAP | Wireless Access Point | Computer industry |
| WRFU | Wireless Remote Focus Unit | ETC control consoles |
| WYE | Three phase power configuration | Electronics industry |
| XLR | Audio-style barrel connector (3, 4, 5, or 6 pins) | Electronics industry |