Figure 39: Clearance Requirements For Airflow And Hardware Maintenance For A Qfx5100 Device - Juniper QFX5100 Hardware Manual

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Copyright © 2016, Juniper Networks, Inc.
Figure 39: Clearance Requirements for Airflow and Hardware Maintenance
for a QFX5100 Device
24" ( 6 0 .9 cm)
Clearance required
for maintenance
Ports
17.36"
44.1 cm
Mounting bracket
For the cooling system to function properly, the airflow around the chassis must be
unrestricted. See "Cooling System and Airflow in a QFX5100 Device" on page 39
more information about the airflow through the chassis.
If you are mounting a QFX5100 device in a rack or cabinet 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 QFX5100 device. 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.
Rack Requirements for a QFX5100 Device on page 74
Cabinet Requirements for a QFX5100 Device on page 75
General Site Guidelines on page 69
Rack-Mounting and Cabinet-Mounting Warnings on page 251
24" ( 6 0 .9 cm)
Clearance required
for maintenance
20.48"
19"
(52.02 cm)
(48.2 cm)
Chapter 6: Preparation Overview
FRUs
for
77