Qfx10002 Clearance Requirements For Airflow And Hardware Maintenance - Juniper QFX10002 Hardware Manual

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QFX10002 Clearance Requirements for Airflow and Hardware Maintenance

Copyright © 2019, Juniper Networks, Inc.
Before connecting the switch to earth ground, review the following information:
The grounding lug required is a Panduit LCD6-14BH-L or equivalent (not provided).
The grounding lug accommodates 14-6 AWG (2-13.3 mm²) stranded wire.
The grounding cable that you provide for a QFX10002 must be the same size or heavier
than the input wire of each power supply. Minimum recommendations are 8 AWG (8.4
mm²) stranded copper wire, 60° C wire, or as permitted by local code.
QFX10002 Power System on page 55
Connecting the QFX10002 on page 96
Clearance required
for maintenance
24 in. (60.9 cm)
When planning the site for a QFX10002 installation, you must allow sufficient clearance
around the installed chassis. See
Figure 33: Clearance Requirements for Airflow and Hardware Maintenance for a QFX10002
24 in. ( 6 0 .9 cm)
Clearan ce requi red
f or main t enan ce
Front
(Ports)
19 in.
(48.26 cm)
Follow these guidelines:
For the cooling system to function properly, the airflow around the chassis must be
unrestricted. See "QFX10002 Cooling System Description and Airflow" on page 51
more information about the airflow through the chassis.
If you are mounting a QFX10002 in a rack with other equipment, ensure that the exhaust
from other equipment does not blow into the intake vents of the chassis.
You must leave at least 24 in. (61 cm) both in front of and behind the QFX10002. 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
Chapter 2: Site Planning, Preparation, and Specifications
Figure 33 on page 69.
32.4 in. ( 81.1cm)
31 in.
(78.7 cm)
24 in. ( 6 0 .9 cm)
Clearan ce requi red
f or main t enan ce
Rear
(FRUs)
17.4 in.
(44.2 cm)
for
69