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DCC Terms

A Glossary of DCC Terms

Thank you for visiting this page which is currently in development. If you know of terms you would like included in this glossary, but don't see in this list, please email me at dcc@gatewaynmra.org.

Don't stop here because this one page is a "work in progress," please make sure to check out the other 1,500 files on our website.

by Richard Schumacher

Accessory Decoder  
Address Two and four digit
Advanced Consist Control  
Analog Operation  
Back EMF Decoder provides load compensation by maintaining constant motor rotational speed. Especially useful for low speed operations.
Block Detector  
Booster  
Bus Set of wires that distribute power, commands, or signals. See article on DCC layout power wiring.
Cab  
Cab Bus  
Command Station  
Configuration Variable  
Consist  
Consist Address  
Continuous Load Also see peak load.
Control Bus  
Decoder  
Decoder Assisted Consisting  
Digital Command Control (DCC)  
Directional Lighting  
Ditch Lights  
Dither TCS feature adding voltage pulses at low speeds
Dropping Resistor  
EFX NCE calls
Encoder  
Extended Addressing  
Extended Packet Format (EPF)  
Function  
Function Current  
Functional Remapping  
Gyra Light  
Heat Shrink Tubing  
(NMRA) JST Socket 9 pin socket primarily used as a connector between the decoder and locomotive, or in locomotives that have wire harnesses instead of circuit boards. The Athearn steam engines have this connector.
Kick Start  
Lamp  
LED  
Mars Light  
(NMRA) Medium Plug Common 8 pin (2 rows of 4 connectors) plug, normally used in HO scale and larger locomotives
Mobile Decoder  
Motor Current  
Motor Drive Frequency  
NMRA JST Socket 9 pin socket primarily used as a connector between the decoder and locomotive, or in locomotives that have wire harnesses instead of circuit boards. The Athearn steam engines have this connector.
NMRA Medium Plug Common 8 pin (2 rows of 4 connectors) plug, normally used in HO scale and larger locomotives
NMRA Small Plug 5 pin inline plug, gaining popularity in N scale locomotives
Operations Mode On mainline track
Packet  
Paged mode  
Peak Load Also see continuous load.
Power Booster  
Power Bus Set of wires that distribute power. See article on DCC layout power wiring.
Power Supply  
Programming RP-9.2.3
Programming Track  
Quiet Drive TCS calls
Real FX Digitrax calls
RJ12 Connector  
Rotary Beacon  
Rule 17 Headlight Dimming  
Service Mode On programming track
Silent Drive Lenz calls
Silent Running NCE calls
(NMRA) Small Plug 5 pin inline plug, gaining popularity in N scale locomotives
Speed Steps 14, 28, 128
Speed Table  
Stall Current  
Start Voltage  
Strato Light See rotating beacon.
Strobe Light  
Throttle See cab.
Track Bus Set of wires that distribute power. See article on DCC layout power wiring.
Transponding Digitrax calls
Uploadable Speed Table  
Vmid  
Vmax  
Wireless Cab  
Wireless Cab Base Station  

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This page last updated January 30, 2003

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