Juniper EX4300 Series

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