Juniper TDSourcing Networks - Expansion module - GigE - for Juniper EX 3200, 4200 Application/Usage: Data Networking Product Type: Expansion Module Product Type: Expansion Module Compatibility: Juniper Networks EX 3200 Series Ethernet Switches Manufacturer Part Number: EX-UM-4SFP Limited Warranty: 1 Year Manufacturer: Juniper Networks, Inc Product Name: 4-port GbE SFP Module Brand Name: Juniper Brand Name: Juniper Expansion Slot Type: SFP (mini-GBIC) Number of Total Expansion Slots: 4