https://www.juniper.net/documentation/en_US/release-independent/junos/topics/reference/general/uplink-module-ex4200.html
EX-UM-4SFP ( 4x 1G )
EX-UM-2X4SFP SFP+ uplink module ( 2x 10G or 4x 1G) Only the 10-gigabit ports (ports 0 and 2) are enabled.
EX-UM-2X4SFP-M
EX-UM-2XFP
https://www.juniper.net/documentation/en_US/release-independent/junos/topics/reference/specifications/uplink-module-ex4300.html
EX-UM-4X4SFP >>>> Uplink Modules in EX4300 Switches ( 4x 10G )
EX-UM-2QSFP 2x 40G
EX-UM-8X8SFP 8x 10G
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