Juniper EX4300 Series User Manual

NOTE: Do not overheat the tubing.
Figure 68: How to Install Heat-Shrink Tubing
4. Ensure that the input circuit breaker is open so that the voltage across the DC power source cable
leads is 0 V and that the cable leads will not become acve while you are connecng DC power.
NOTE: The V+ terminals are referred to as +RTN and V– terminals are referred to as –48 V
in DC Power Wiring Sequence Warning and DC Power Electrical Safety Guidelines .
5. Ensure that the power supplies are fully inserted in the chassis.
6. Remove the terminal block cover. The terminal block cover is a piece of clear plasc that snaps into
place over the terminal block.
7. Remove the screws on the terminals by using the screwdriver. Save the screws.
WARNING: Ensure that the power cables do not block access to switch
components or drape where people can trip on them.
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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