p. 9
Item
Description
Explanation
DNS
Domain Name
System (or
Server)
An Internet service that translates domain names into IP
addresses.
DO
Digital Output
Output signal (in a digital format) in the interface and computing
systems
DOM
Dynamic Object
Model
DOS
Disk Operating
System
Computer operating system
Dpool
Data Pool
DTGEN
Device Training
Generator
DTGEN is an offline software tool, which is used to define and
build ARINC 429 I/O for training devices ranging from full flight
simulators to desktop trainers.
DRAM
Dynamic RAM
A form of volatile semi-conductor memory
DU
Display Unit
Flightdeck Equipment to display information
DV
Direct Vision
Part of the flightdeck window
DVD
Digital Versatile
Disc
Rewritable optical disc for data storage
DVM
Digital Volt Meter
Measuring instrument
1.2.6
E
Item
Description
Explanation
ECAM
Electronic
Centralised
Aircraft Monitor
Avionic unit
ECL
Electrical
Control Loading
Control loading system which is loaded by electrical systems.
ECMA
Electric Controls
/ Motion
Auxiliary
Provides control and monitoring for the drawbridge and motion
systems.
ECMB
Electric Controls
/ Motion
Backplane
Provides the interconnects for the 24VDC Safety Circuit.
ECMCU
Electric Controls
and Motion
Control Unit
Provides power, switching and control for the Electric Control
Loading (ECL) and Electric Motion (EM2K) systems.