Juniper 20-Ports Gigabit Modular Interface Card - 20 x SFP (mini-GBIC) 20 x Expansion Slots MIC-3D-20GE-SFP

The Modular Interface Card, or MIC, plugs into the MPC to provides the physical interface for the MPC line module. Up to two MICs are supported per MPC with a variety of 1GbE and 10GbE MICs available.