Juniper EX4300 Series Hardware Manual page 15

Figure 2 on page 5 shows the rear panel of a 24-port EX4300 switch with power supplies and fan
modules installed.
Figure 2: Rear Panel of a 24-Port EX4300 Switch
Table 1 on page 5 lists the 24-port EX4300 switch models and their components.
Table 1: Components in 24-Port EX4300 Switches
Switch Built-In Ports
Models
EX4300-24T 24
10/100/1000BASE-T
Ethernet ports and
four QSFP+ ports
Number Fan Modules
of Shipped by Default
PoE-
Enabled
Ports
0 Two fan modules;
each with an AIR
OUT (AFO) label.
Power Supply Supported
Shipped by Uplink Module
Default
A 350 W AC 4-port 10-
power supply Gigabit Ethernet
with the AIR SFP+ uplink
OUT (AFO) module (model
label. number:
EX-
UM-4X4SFP)
5