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 ?
The first two fields denote the SU's identifier and its data channel for reporting, i.e., CFR, respectively.
This common data channel is the highest ranked channel between sender and receiver nodes.
It is possible that after channel negotiation between A and B, they may choose SC1 as an optimum data channel, which will directly cause interference to the incumbent system working on SC1 inside the A's transmission range.
Thus, the inverse muxes at both ends of a data channel must be from.
Each resulting wavelength is capable of carrying a discrete data channel. Optical components therefore enable fiber networks to transmit vastly more information.
We selected the DataSmart T1 Add/Drop DSU/CSU from ADC Kentrox because it was the first product that allowed us to split out more than one data channel for both voice and data applications.
Roamware, a global roaming solutions provider, announced on Wednesday (27 June) the grant of the US Government Seminal Patent 'Method and System for Wireless Voice Channel and Data Channel Integration' which demonstrates a system and method for wireless communications, fusing interactive digital content into voice calls.
of Simi Valley, CA also uses advanced packetized voice technology with its Voice Mux 100 time division multiplexer to put four voice channels and a data channel over a 56- or 64-kb/s link.
Infotron 990 and 992 muxes serve the data channel. "We have both async and bisync SDLC (synchronous data link control)," he says.
Electronic auction: services for providing access to the internet network and providing a data channel
Fibre Channel a serial data channel designed to deliver 1Gbit of information over long distances without the necessary hardware error recovery.
The PCSI CS4100 voice/data multiplexer takes advantage of DSO availability by putting up to four "network-quality" voice channels plus a synchronous data channel on the link.