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 ?
An SU cannot accurately know the states of all data channels by itself because it is designed such that it can sense only one data channel, i.
The data channel can be any data medium, including WAP, HTTP, GPRS, IM or SMS, and the voice channel can be any voice medium including an IVR call, Voice XML, VoIP call or circuit switch call, the company claims.
12 Future Data Channel Research (Mark Ayres and Kevin Curtis).
KEY SPECS: The device is designed to maximize the delivery of 10G data channels for modern 100G networks at low costs.
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.
Its advanced TDM technology enables the wire-speed aggregation and transport of multiple high-speed data channels using standard 2.
The first stage of the two companies' collaboration envisages the provision of data channels operating at speeds from 30 Mb/sec to 100 Mb/sec using Golden Telecom's optical fiber network and Gigabit Ethernet technology.
Each COLT features a 75-foot telescoping antenna, nine dedicated voice channels and two high-speed data channels, which can handle hundreds of phone calls and data transmissions simultaneously.
GPRS networks: Functional components of a GPRS packet network principles and demonstration of sharing GPRS radio resources between mobiles provision of logical control and data channels LLC and RLC protocols introduction to GPRS channel coding.