Juniper EX4300 Series User Manual

11. If you are not replacing the power supply, install the cover panel over the slot.
Figure 90: Removing a DC Power Supply from an EX4300 Switch
SEE ALSO
Installing a DC Power Supply in an EX4300 Switch | 301
DC Power Supply in EX4300 Switches | 112
EX4300 Switches Hardware Overview | 2
Installing a DC Power Supply in an EX4300 Switch
Before you install a DC power supply in the switch:
• Ensure you understand how to prevent electrostac discharge (ESD) damage. See Prevenon of
Electrostac Discharge Damage .
Ensure that you have the following parts and tools available to install a DC power supply in the switch
chassis:
• ESD grounding strap
• Phillips (+) screwdriver, number 2
The DC power supply in EX4300 switches is a hot-removable and hot-insertable eld-replaceable unit
(FRU) installed in the rear panel of the switch: You can remove and replace it without powering o the
switch or disrupng switch funcons.
CAUTION: Do not mix:
301

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