Juniper QFX5220, Руководство по оборудованию, Страница: 83 / 247

QFX5220 Clearance Requirements for Airflow and Hardware Maintenance
When planning the site for installing a QFX5220, you must allow sufficient clearance around the installed
chassis (see Figure 29 on page 86 and Figure 30 on page 86 ).
Figure 29: Clearance Requirements for Airflow and Hardware Maintenance for a QFX5220-32CD
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18.99 in.
(48.23 cm)
Clearance required
for maintenance
22.79 in. (57.88 cm)
FRUs Ports
17.26 in.
(43.84 cm)
Clearance required
for maintenance
21.1 in. (53.59 cm)
30 in. (76.2 cm) 24 in. (61.0 cm)
Figure 30: Clearance Requirements for Airflow and Hardware Maintenance for a QFX5220-128C
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FRUs
19.0 in.
(48.23 cm)
Ports
17.32 in.
(44.00 cm)
29.00 in. (73.66 cm)
Clearance required
for maintenance
29.25 in. (74.30 cm)
Clearance required
for maintenance
30 in. (76.2 cm) 24 in. (61.0 cm)
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For the cooling system to function properly, the airflow around the chassis must be unrestricted. See
“QFX5220 Cooling System” on page 52 for more information about the airflow through the chassis.
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