Juniper EX4300 Series User Manual

General Site Guidelines
Ecient device operaon requires proper site planning and maintenance. It also requires proper layout
of the equipment, rack or cabinet, and wiring closet.
To plan and create an acceptable operang environment for your device and prevent environmentally
caused equipment failures:
• Keep the area around the chassis free from dust and conducve material, such as metal akes.
• Follow prescribed airow guidelines to ensure that the cooling system funcons properly. Ensure
that exhaust from other equipment does not blow into the intake vents of the device.
• Follow the prescribed electrostac discharge (ESD) prevenon procedures to prevent damaging the
equipment. Stac discharge can cause components to fail completely or intermiently over me.
• Install the device in a secure area, so that only authorized personnel can access the device.
Site Electrical Wiring Guidelines
Table 55 on page 132 describes the factors you must consider while planning the electrical wiring at
your site.
WARNING: You must provide a properly grounded and shielded environment and use
electrical surge-suppression devices.
Averssement Vous devez établir un environnement protégé et convenablement mis à
la terre et uliser des disposifs de parasurtension.
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Juniper EX4300 Series Specifications

General

Product Series	EX4300 Series
Power Consumption	Varies by model and configuration
Virtual Chassis Technology	Up to 10 switches
Software	Junos OS
Ports	24-port and 48-port models
10GBASE SFP+ Ports	Up to 8 ports
40GBASE QSFP+ Ports	2
Uplink Ports	Up to 4 ports
Jumbo Frames	Up to 9216 bytes
Operating Temperature	0°C to 45°C
Relative Humidity	5% to 90% noncondensing
Input Voltage	100 to 240V AC
Power Supply	AC or DC
Power Supply Options	AC or DC
Stacking	Yes
Layer 2 Features	Includes VLAN, STP, RSTP, MSTP, LACP
Layer 3 Features	OSPF, BGP
Management	CLI, Web GUI, SNMP
Security Features	DHCP snooping
QoS	8 queues per port, DSCP
Storage Temperature	-40°C to 70°C