Juniper EX4300 Series User Manual

Table 3: Components in 48-Port EX4300 Switches (Connued)
Switch Models Built-In Ports Number
of PoE-
enabled
Ports
Fan Modules Power Supply
Shipped by
Default
Supported Uplink
Modules
19.2R1, the uplink
module supported
only one 100-
Gigabit Ethernet
transceiver. If you
congure both the
ports on the uplink
module to operate
at 100-Gbps
speed, the four
QSFP+ ports on
the switch are
disabled.
The switch
supports the 4-
port 1-Gigabit
Ethernet/10-
Gigabit Ethernet
SFP+ uplink
module (model
number: EX-
UM-4SFPP-MR)
from Junos OS
Release 18.2R1
onwards. Starng
in Junos OS
Release 19.1R1,
you can install SFP
transceivers in the
uplink module. In
Junos OS Release
18.2R1 through
Junos OS Release
18.4R1, the uplink
module supported
only SFP+
transceivers.
17

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