Also known as a CSU/DSU. A combined channel service unit (CSU) and data service unit (DSU). See also CSU and DSU.
"CDSU." YourDictionary, n.d. Web. 06 December 2018. <https://www.yourdictionary.com/cdsu>.
CDSU. (n.d.). Retrieved December 06th, 2018, from https://www.yourdictionary.com/cdsu
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