Animated Telecom Dictionary
Use this dictionary for an understanding of the most recent telecom terms, definitions and acronyms, look at detailed animations, learn to search telecom databases, and more.
TABLE OF CONTENTS Animated Telecom Dictionary
D: D Bit Dynamic Time Alignment
D Bit
Delivery Confirmation
D Channel
This is the out-of-band control channel associated with ISDN bearer channels, ( see B Channel), and is used to establish, monitor, terminate and provide enhanced telephone services. The D channel provides a I6kbps or 64kbps packet-mode connection between a serving switch and a customer s premises. The channel carries signaling and control information for B channel activity and also can carry user data in the form of packets.
D Flip-Flop
A type of bistable circuit with a single trigger input terminal, the P input.
D Link
Diagonal Link
D&F
Demand And Facility Chart
D/A
Digital To Analog Conversion
D/R
See: Distance to Reuse Ratio
D-1
The generic name used to describe a digital component video recording system. The D-1 system records digital component video to the CCIR-6O1 standard on 19 mm magnetic tape.
D-3
A digital composite video recording format for NTSC or PAL. A 1/2-inch medium is used. The concept is similar to the D-2 format.
DA
Desk Accessory
DA
Destination Address
DA
Directory Assistance
DA
Discontinued Availability
DA
Distribution Amplifier
DAA
Data Access Arrangement
DAB
See: Digital Audio Broadcast
DAC
Digital-To-Analog Converter
DAC
See: Dual Attached Concentrators
DACD
Digital Automatic Call Distributor
DACL
Discretionary Access Control List
DACS
See: Digital Access Cross-Connect System
DAEMON
Disk and Execution Monitor
DAK
See: Deny Any Knowledge
DAL
See: Dedicated Access Line
DAMA
Demand Assigned Multiple Access
DAML
See: Digital Added Main Line
Damped Oscillation
An oscillation exhibiting a...
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