Juniper EX4300 Series User Manual

Table 50: N+N DC Power Calculaons for EX4300 Switch Conguraons
Switch Conguraon Number of
Power Supplies
Total Power
(in was)
Usable System
Power (in
was)
Backup Power
(in was)
Base Power
(in was)
24-port EX4300 switch 1 550 550 0 150
2 1100 550 550 150
32-port EX4300 switch 1 550 550 0 149
2 1100 550 550 160
48-port EX4300 switch 1 550 550 0 175
2 1100 550 550 175
SEE ALSO
Installing a DC Power Supply in an EX4300 Switch | 301
DC Power Supply Specicaons for EX4300 Switches
Table 51 on page 118 lists the power supply specicaons for a DC power supply used in an EX4300
switch.
Table 51: DC Power Supply
Specicaons for an EX4300 Switch
Item Specicaons
DC input voltage
• Nominal operang voltage: –48 VDC
• Operang voltage range: –40.8 VDC through –60 VDC
118

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