Figure 139: Back-To-Front Airflow On 24-Port And 48-Port Ex4300 Switches - Juniper QFabric QFX3000-G Hardware Documentation

Chapter 10: Rack and Cabinet Requirements

Figure 139: Back-to-Front Airflow on 24-Port and 48-Port EX4300 Switches

If you are mounting the switch on a rack or cabinet along with other equipment, ensure
that the exhaust from other equipment does not blow into the intake vents of the
chassis.
Leave at least 6 in. (15.2 cm) clearance in front of and behind the chassis for airflow.
Leave at least 6 in. (15.2 cm) clearance on the left of the chassis for installing the
grounding lug.
Leave at least 24 in. (61 cm) clearance in front of and behind the switch for service
personnel to remove and install hardware components. See Figure 140 on page 254 and
Figure 141 on page 254.
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