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7705 SAR-M Chassis Installation Guide 81
Observe the following requirements when installing the system.
• Ensure that the chassis is located in an area that can provide an average inlet air
temperature (bulk air temperature averaged over 1 year) no greater than 104°F
(40°C) under full system power loading combined with worst-case environmental
deployment conditions.
• Ensure that the 7705 SAR-M system intake is not located immediately adjacent to the
exhaust of another chassis such that preheated air above 104°F (40°C) is drawn into
the system.
• Ensure that the 7705 SAR-M system intake is not located immediately adjacent to the
intake of another chassis such that 7705 SAR-M airflow is restricted in any way.
• Ensure that the inlet and exhaust of the chassis is free of obstructions from cabling,
mounting hardware, or other electronic equipment in the areas shown in Figure 15
and described in Table 11.
Figure 15: Chassis Clearance Requirements (View from Top)
Table 11: Chassis Clearance Specifications (Actively Cooled Variants)
Key Description
1 Front: 2.5 in. (6.4 cm) required for cable management
2 Rear: No clearance required
3 Side: 2 in. (5.1 cm) minimum required for airflow
4 Rack upright: a channel enclosure of 5 in. (12.7 cm) maximum is required for
airflow (the air vent screen on the actively cooled variants of the
7705 SAR-M chassis must not be obstructed by metal plate or other structures
within the rack upright)
Rear
3 3
2
Front
Rack
upright
1
4 4
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