rack unit


Also found in: Acronyms, Wikipedia.

rack unit

A unit of measurement of the height of a rack-mounted device. One rack unit, or RU, is 1.75". See rack mounted.
References in periodicals archive ?
Frank Foti, Omnia Audio founder and Telos Alliance CEO, said, "With Omnia VOLT we've rewritten all the rules for audio processing and are delivering more processing power for louder, cleaner, and more dynamic sound in a single rack unit than others offer in two or even three rack units.
It is also designed to fit in the same rack unit space as the Cisco 2811 and enables end users to upgrade the technology in their systems without requiring additional rack space or integration complexity, TCS said.
ideal for aesthetically concealing openings and reserving rack unit positions
The most compact VOD gateway in the industry, NSG is the only solution to support eight QAM channels in a single rack unit (RU).