Dc Power Supply Specifications For Ex4300 Switches - Juniper EX4300 Series Hardware Manual

Table 50: N+N DC Power Calculations for EX4300 Switch Configurations
Switch Configuration
24-port EX4300 switch
32-port EX4300 switch
48-port EX4300 switch
SEE ALSO
Installing a DC Power Supply in an EX4300 Switch | 301

DC Power Supply Specifications for EX4300 Switches

Table 51 on page 118 lists the power supply specifications for a DC power supply used in an EX4300
switch.
Table 51: DC Power Supply Specifications for an EX4300 Switch
Item
DC input voltage
Number of Total Power
Power Supplies (in watts)
1 550
2 1100
1 550
2 1100
1 550
2 1100
Specifications
•
Nominal operating voltage: –48 VDC
•
Operating voltage range: –40.8 VDC through –60 VDC
Usable System Backup Power
Power (in (in watts)
watts)
550 0
550 550
550 0
550 550
550 0
550 550
118
Base Power
(in watts)
150
150
149
160
175
175