Juniper EX4300 Series

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.
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