Qlogic QLogic 12000 Series Guia de Instalação Página 44

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1–Installation
12800-360 Installation
1-34 D000140-001 D
Locating Rack Mounting Posts for Front and Back Cable Routing
In a typical rack, front EIA rails are positioned approximately 50mm from the front
face of a rack. With a chassis mounted flush with the front rails, space available in
the front the rack is insufficient for cable routing. To allocate enough space in the
front of the rack to route 300+ cables, the two front rails should be recessed
135mm from the front of the rack. The rear EIA rails should be positioned such
that the distance between mounting surfaces of front and rear EIA rails is 642mm.
Additionally, airflow recirculation control panels should be installed in a rack to
minimize airflow recirculation between the hot and cold isles. Recirculation
control panels for wide racks and installation instructions are available from rack
suppliers.
Figure 1-28. Locating Mounting Posts
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