Juniper 8-Port Gb Enet 10/100/1000 Universal PIM Spare (JXU-8GE-TX-S)
Juniper Ethernet Universal Physical Interface Modules (UPIMs) are a set of common Ethernet interface modules that are shared between the Juniper Networks Secure Services Gateway 140, 520, 520M, 550, 550M, J4350 and J6350.