CSU

(Computers) device used to connect a computer to a digital communications line (similar to a modem)

The acronym CSU may refer to:A propeller's constant speed unit which regulates engine speed by automatically changing pitch. Any of the following universities or university systemsColorado State University (U.S.A.)Cagayan State University system (Philippines)California State University system (U.S.A.)Central South University, Hunan (China)Central State University, Ohio (U.S.A.)Charles Sturt University, (Australia)Cleveland State University, Ohio (U.S.A.)Columbus State University, Georgia, (U.S.A.)Connecticut State University system (U.S.A.)Charleston Southern University Charleston, South Carolina (U.S.A.)Chicago State University Chicago, Illinois (U.S.A.) Or,
See more at Wikipedia.org...

C.S.U., Christian Social Union; German political party

Abbreviation for channel service unit, circuit switching unit, customer service unit.

A line bridging device that (a) is used to perform loop-back testing, (b) may perform bit stuffing, (c) may also provide a framing and formatting pattern compatible with the network, and (d) is the last signal regeneration point, on the loop side, coming from the central office, before the regenerated signal reaches a multiplexer or data terminal equipment (DTE).

Equipment used for routing messages over common-user circuits that interconnect a source data terminal equipment (DTE) to a sink DTE for information interchange.

A device that provides an accessing arrangement at a user location to either switched or point-to-point, data-conditioned circuits at a specifically established data signaling rate. Note: A CSU provides local loop equalization, transient protection, isolation, and central office loop-back testing capability.

1. California State University.
2. Cleveland State University.
3. Channel Service Unit.