A CSU/DSU (Channel Service Unit/Data Service Unit) is a digital-interface device used to connect a Data Terminal Equipment device or DTE, such as a router, to a digital circuit, such as a T1 line. The CSU/DSU implements two different functions. The CSU is responsible for the connection to the telecom network while the DSU is responsible for handli...
Found on
http://en.wikipedia.org/wiki/CSU/DSU
Channel service unit / data service unit
Found on
http://en.wikipedia.org/wiki/List_of_information_technology_acronyms
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