H3C Technologies H3C S12500-X Series Switches - Manual (Page 14)

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Figure 2 Airflow through the S12516-X AC/S12516-X DC chassis
(1) Power module air inlet vents (2) Power module air outlet vents
(3) Chassis air inlet vents (4) Chassis air outlet vents
Space
For easy installation and maintenance, follow these space requirements:
• Reserve a minimum of 1.2 m (3.94 ft) of clearance between the rack and walls or other devices.
• Make sure the rack has enough space to accommodate the switch. See Table 5 for rack
requirements. For more information about chassis dimensions, see "Appendix A Chassis views and
technical specifications."