1U is essentially 1.75". There are obviously specs so that a 1U unit fits in
a 1U rack....... The following cover racking etc.
BS 5954-2:1985 ( IEC 60297-2:1982)
Dimensions of mechanical structures of the 482.6 mm (19 in) series.
Specification for cabinets and pitches of rack structures
Current 8 pgs.
BS 5954-3:1985 ( IEC 60297-3:1984)
Dimensions of mechanical structures of the 482.6 mm (19 in) series.
Specification for subracks and associated plug-in units
Current 20 pgs.
BS 5954:1980 ( IEC 297:1975)
Specification for dimensions of panels and racks for electronic equipment
Withdrawn 8 pgs.
-----Original Message-----
From: David Monreal [mailto:[email protected]]
Sent: Monday, November 22, 1999 9:49 AM
To: [email protected]
Subject: Enclosure Units.
Hello,
first of all, thanks for the information you sent to me about the Shielding
Enclosures Standards.
I've been looking through Compaq and IBM web sites and have seen they
measure its enclosures in U's. Have tried to know wich units U is: 4,4cm,
4,7cm, 5cm... Can't find a concrete figure for U.
Could you please tell me what U is? (Half a disquette, answered a guy in the
customer service).
Even noticed they do not offer major protection against EMF. Do they have it
or I have not searched enough?
Thanks.
David Monreal
Telf: +34 93 475 14 80
FAX: +34 93 377 64 64
http://www.advancedshielding.com <http://www.advancedshielding.com>
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