Juniper EX4300 Hardware Guide

Table 32: N+N AC Power Calculations for 24-Port EX4300 Switches (continued)
Ports
enabled
for
PoE+
Available
PoE Power
(in watts)
Base
Power (in
watts)
Backup
Power (in
watts)
System
Power
Budget (in
watts)
Total
Power (in
watts)
Power Supply Rating
PSU
1
PSU
0
185651500715715–715 W AC
18565150679.257151430715 W AC715 W AC
18565150679.2571518151100 W AC715 W AC
24720150011001100–1100 W AC
247201501045104522001100 W AC1100 W AC
6200150332.53501450350 W AC1100 W AC
Table 33 on page 55 lists the N+N power calculation for 32-port EX4300 switches that
use 350 W AC power supplies.
NOTE: 32-port EX4300 switches does not support Power over Ethernet
(PoE).
Table 33: N+N AC Power Calculations for 32-Port EX4300 Switches
Base Power
(in watts)
Backup Power
(in watts)
System Power
Budget (in watts)
Total Power (in
watts)
Power Supply Rating
PSU
1
PSU
0
1770350350–350 W AC
177332.5332.5700350 W AC350 W AC
Table 34 on page 55 lists the N+N power calculation for 48-port EX4300 switches that
use 350 W, 715 W AC, and 1100 W AC power supplies.
Table 34: N+N AC Power Calculations for 48-Port EX4300 Switches
Ports
enabled
for
PoE+
Available
PoE Power
(in watts)
Base
Power (in
watts)
Backup
Power (in
watts)
System
Power
Budget (in
watts)
Total
Power (in
watts)
Power Supply Rating
PSU
1
PSU
0
51751750350350–350 W AC
5175175332.5350700350 W AC350 W AC
5175175332.53501065715 W AC350 W AC
55Copyright © 2017, Juniper Networks, Inc.
Chapter 4: Power Supplies

Juniper EX4300 Specifications

General

Model	EX4300
Virtual Chassis	Yes, up to 10 members
Layer 3 Routing	Yes
10GBASE SFP+ Ports	4
Jumbo Frames	9216 bytes
MAC Address Table Size	32, 000
Operating System	Junos OS
Uplink Ports	4 x 10GBASE SFP+
Power Supply	AC or DC options
Operating Temperature	0°C to 45°C (32°F to 113°F)
Input Voltage	100-240V AC
Operating Relative Humidity	5 to 90% RH, non-condensing
Management Options	CLI, Web UI, Junos Space
Redundancy	Yes, power supply and fans
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Ports	24 or 48