data channel


Also found in: Acronyms.

data channel

[′dad·ə ‚chan·əl]
(computer science)
A bidirectional data path between input/output devices and the main memory of a digital computer permitting one or more input/output operations to proceed concurrently with computation.

data channel

(communications)
A channel (on a BRI or PRI line) used to carry control information, to set up connections on the associated bearer channels. The name wasn't too bad back when users were sending voice (not data) over the bearer channels, but in 1997 it's quite a misnomer.
References in periodicals archive ?
We use the data channel to support file sharing and instant messaging.
COBHAM, England, June 7 /PRNewswire/ -- Thunderhead, the provider of highly usable, multi-channel document generation technology, today announced the release of its out-of-the-box XML Data Channel.
Along with the clips, the Data Channel carries the DTS Program Guide, the Early Bird, Stars and Stripes Lite, and Times Fax -- a condensed version of the New York Times specifically done for the Navy.
11 Data Channel (Adrian Hill, Mark Ayres, Kevin Curtis and Tod Earhart).
The data channel is the newest component of the draft standard, and it is generating a lot of excitement.
VME-based data channel controller boards utilizing Motorola's 68040 processor are all standard Motorola computing components.
of umbilical cable for every 64 data channels, in addition to the weight of the data acquisition unit and batteries.
The central system processes up to 128 analog data channels per molding machine without needing a local PC at the machine.
The site is currently connected with six voice channels/three data channels to Managua-Nicaragua, one voice channel to Puerto Cabezas-Nicaragua and one voice channel/three data channels to Cocesna's hub in Tegucigalpa-Honduras.
The VT/VR7800DRDT Series eight-channel digital video multiplexing equipment with two bidirectional data channels offers an integrated solution for transmitting CCTV and access control signals where availability of optical fiber is limited.
The implementation of concurrent data channels--first generation enables eight data channels, future versions delivering up to 16.
A single ISDN line typically can simultaneously handle two data channels and one voice channel.