Juniper EX4650 Series User Manual

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For the cooling system to function properly, the airflow around the chassis must be unrestricted. See
Figure 27 on page 64, Figure 28 on page 64, andFigure 29 on page 65 for reference.
Figure 27: Front-to-Back Airflow
Front Rear
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Figure 28: Back-to-Front Airflow
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If you are mounting the switch on a rack or cabinet along with other equipment, ensure that the exhaust
from other equipment does not blow into the intake vents of the chassis.
•
Leave at least 6 in. (15.2 cm) clearance in front of and behind the chassis for airflow.
64

Juniper EX4650 Series Specifications

General

Cooling	Front-to-back or back-to-front airflow
Rack Units	1U
MAC address table size	288, 000 entries
Memory	16 GB
Storage	64 GB SSD
Power Supply	Dual redundant, hot-swappable
Junos OS	Supported
Jumbo frames	9216 bytes
Operating temperature	0°C to 40°C (32°F to 104°F)
Input voltage	AC: 100-240V
Fans	Hot-swappable, redundant
Operating humidity	5% to 90% (non-condensing)
Ports	48 x 10GbE SFP+/SFP28 ports 8 x 40GbE QSFP+/100GbE QSFP28 ports