• If you are mounng the switch on a rack or cabinet along with other equipment, ensure that the hot
air exhaust from other equipment does not blow into the cold air intake vents of the chassis.
• Leave at least 6 in. (15.2 cm) clearance in front of and behind the chassis.
• 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.
• Leave at least 24 in. (61 cm) clearance in front of and behind the switch for service personnel to
remove and install hardware components.
Figure 83: Clearance Requirements for Hardware Maintenance for EX4400 Switches
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