[SBE] Rack standards

[Dan Rapak]

I just received a question from a colleague that made me scratch my head. Where did the standards for equipment racks (rack units, 19" width, hole spacing) come from and why were they set at these values?

Dan Rapak
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://seven.pairlist.net/pipermail/sbe/attachments/20111025/08d58731/attachment.html>