ATU
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atu
[¦at¦ü] (physics)
A unit of underpressure or pressure below atmospheric pressure in the metric technical system; equal to 1 technical atmosphere.
atü
[¦at¦yü] (physics)
A unit of overpressure or gage pressure in the metric technical system; equal to 1 technical atmosphere.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
ATU
(ADSL Transceiver Unit) A device that provides ADSL modulation of the telephone line. The device at the telco side is the ATU-C (Central), which is a line card plugged into the DSLAM. The unit at the customer's side is the ATU-R (Remote), which is either an external modem or a card plugged into the PC.Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.