The signal level for a digital carrier system operating at level three of the North American digital signal hierarchy. A DS-3 corresponds to a T3 in the North American hierarchy. See also digital signal hierarchy and T3.
"DS-3." YourDictionary, n.d. Web. 25 May 2018. <http://www.yourdictionary.com/ds-3>.
DS-3. (n.d.). Retrieved May 25th, 2018, from http://www.yourdictionary.com/ds-3