Juniper Expansion Module - For Data Networking, Optical NetworkOptical Fiber10 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet - 10GBase-X, 40GBase-X, 100GBase-X - 12 x Expansion Slots - QSFP+, Modular Interface Card (MIC), QSFP28 - Plug-in Module