Cisco Model D9479 Gigabit QAM Modulator Guida All'Installazione
Stacking Guidelines
78-745431-01 Rev E
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Option 2 – Using a Rack With Floor Plenum Forced Air Cooling
This stacking option also uses a 40 RU configuration containing up to 32 GQAMs. In
This stacking option also uses a 40 RU configuration containing up to 32 GQAMs. In
Option 2, however, the lower 4 RU space is covered with a solid panel instead of a
vented one. The upper 4 RU space is vented along with the entire top of the rack.
The floor plenum forced airflow must also be a minimum of 600 cfm with 2000 cfm
being the ideal amount.
Example:
Example: