Definitions for "Data service unit"
Keywords:  dsu, csu, dte, bipolar, adsu
(DSU) A component of customer premises equipment used to interface to a digital circuit combined with a channel service unit; converts a customer's data stream to bipolar format for transmission.
Simplified modem for the transmission of digital data over a private line or for limited distance communications over the PSTN, where it is not necessary to comply with all the requirements for a high speed modem.
"A device that transmits digital data on transmission facilities. Typically