QFX5110 Clearance Requirements for Airflow and Hardware Maintenance
When planning the site for installing a QFX5110, you must allow sufficient clearance around the installed chassis (see Figure 1).
For the cooling system to function properly, the airflow around the chassis must be unrestricted. See QFX5110 Cooling System and Airflow Description for more information about the airflow through the chassis.
If you are mounting a QFX5110 in a rack with other equipment, ensure that the exhaust from other equipment does not blow into the intake vents of the chassis.
Leave at least 24 in. (61 cm) both in front of and behind the QFX5110. For service personnel to remove and install hardware components, you must leave adequate space at the front and back of the switch. NEBS GR-63 recommends that you allow at least 30 in. (76.2 cm) in front of the rack or cabinet and 24 in. (61 cm) behind the rack or cabinet.