This is a Juniper Networks 711-021271 2-Port 10GB XFP Uplink Module designed for use with the EX4200 Chassis. It provides two 10 Gigabit Ethernet XFP ports for high-speed connectivity and network scalability.
Systems Maintenance Techs
Mid-Lifecycle Capacity Expansion
"For Mid-Lifecycle Capacity Expansion, using verified parts like the 711-021271 prevents downtime and maintains the service integrity expected by Systems Maintenance Techs."