Switches; Figure 142: Clearance Requirements For Airflow And Hardware Maintenance For; Ex4200 Switches; Figure 143: Airflow Through The Ex4200 Switch Chassis - Juniper QFabric QFX3000-G Hardware Documentation

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Figure 142: Clearance Requirements for Airflow and Hardware Maintenance for EX4200

Switches

Allow at least 6 in. (15.2 cm) of clearance on the side between devices that have fans

or blowers installed. Allow 2.8 in. (7 cm) between the side of the chassis and any

non-heat-producing surface such as a wall.

If you are mounting the switch on a rack or cabinet with other equipment, or if you are

placing it on the desktop or floor near 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 switch. 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 at least 30 in. (76.2 cm) in

front of the rack or cabinet and 24 in. (61 cm) behind the rack or cabinet.

Chapter 10: Rack and Cabinet Requirements

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