Channel Service Units (CSU) and Data Service Units (DSU) Datasheets

Channel service units (CSU) and data service units (DSU) are digital interface devices that connect end user data communications equipment to digital access lines. They also provide framing of sub-64 kbps customer access channels onto higher rate data circuits.
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Channel Service Units (CSU) and Data Service Units (DSU) Datasheets From:
Headquarters
ADC Telecommunications, Inc.
Eden Prairie, MN
Data Connect Enterprise, Inc.
Olney, MD
Patton Electronics Co.
Gaithersburg, MD