DescriptionC3900-SPE250/K9 SpecificationsManufacturerCisco Systems, IncManufacturer Part NumberC3900-SPE250/K9Product TypeControl processorSupported PlatformsCisco 3945E ISRNetworkingForm FactorPlug-in moduleConnectivity TechnologyWiredFeaturesHardware encryptionConnectivity SlotsExpansion Slots Total (Free)2 ( 2 ) x CompactFlash Card 3 ( 3 ) x EHWIC 2 ( 2 ) x SFP (mini-GBIC) 3 ( 3 ) x PVDMRouter Interfaces1 x USB 1 x management – console – RJ-45 1 x management – auxiliary – RJ-45 4 x network – Ethernet 10Base-T/100Base-TX/1000Base-TX – RJ-45 2 x USB – 4 pin USB Type A
