Encyclopedia > Customer service unit

Article Content

Customer service unit

In telecommunication, a customer service unit (CSU) is 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.

Source: from Federal Standard 1037C

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Westhampton Beach, New York

... and 38.1% are non-families. 32.7% of all households are made up of individuals and 13.7% have someone living alone who is 65 years of age or older. The average household ...