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(channel associated signaling) in-band signalling.


(1) (Channel Associated Signaling) Carrying signaling information within the data channels of a T1 line (in band) rather than on a separate control channel. CAS signaling is also used to carry 911 emergency data such as telephone number and location information. Contrast with CCS.

(2) (Column Address Strobe) A clock signal in a memory chip used to pinpoint the column of a particular bit in a row-column matrix. See RAS.

(3) (Content Addressed Storage) A storage technique from EMC that assigns an identifier to fixed content. See content addressed storage.

(4) (Communications Application Specification) A programming interface from Intel and DCA for activating functions in fax/modems. Introduced in 1988, Intel provides both the boards and the chips. CAS has not been widely used.
References in periodicals archive ?
They were able to select more than half of their patient population who could safely be sent home based upon their EBT calcium scores and the negative predictive value of the coronary artery scan result was 99.
By eliminating a source of bias commonly present in such research studies, the investigators demonstrated that the specificity of the EBT coronary artery scan for the determination of obstructive CAD was 72.
The EBT coronary artery scan clearly provides new, relevant information with respect to patient outcomes as compared to the limited, stenosis-specific diagnostic information provided by coronary angiography.
Raggi and fellow-investigators answered the request of the authors of the joint ACC/AHA Expert Consensus Document on Electron Beam Computed Tomography for the Diagnosis and Prognosis of Coronary Artery Disease, to publish further research into the potential for using the EBT coronary artery scan as a cardiac diagnostic test.
Study after study has clearly demonstrated that the EBT coronary artery scan accurately measures even small calcium deposits in the coronary arteries.

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