Juniper EX4300 Series

Table 14: Uplink Modules in EX4300-48MP and EX4300-48MP-S Switches
Uplink Module
Name
Model Number Descripon Supported EX4300
Switches
First Junos OS
Release
2-port 40-Gigabit
Ethernet QSFP+/
100-Gigabit
Ethernet QSFP28
uplink module
EX-UM-2QSFP-MR You can install two
QSFP+ transceivers,
two QSFP28
transceivers, or a
combinaon of one
QSFP+ transceiver
and one QSFP28
transceiver in this
uplink module.
NOTE: You cannot
congure the ports
on the uplink
module in
EX4300-48MP and
EX4300-48MP-S
switches as Virtual
Chassis ports
(VCPs).
• EX4300-48MP
• EX4300-48MP-
S
Junos OS Release
18.4R1
NOTE: Starng in
Junos OS Release
19.3R1, you can
install two 100-
Gigabit Ethernet
QSFP28
transceivers in the
uplink module. In
Junos OS Release
18.4R1 through
Junos OS Release
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. See
Seng the
Operang Mode on
a 2-Port 40-Gigabit
Ethernet QSFP+/
100-Gigabit
Ethernet QSFP28
Uplink Module.
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