Technical Information Application/Usage Data Networking Application/Usage Optical Network Interfaces/Ports Interfaces/Ports Details 20 x RJ-45 1000Base-T PoE LAN Media & Performance Media Type Supported Twisted Pair Ethernet Technology Gigabit Ethernet Network Technology 1000Base-T Maximum Data Transfer Rate 1 I/O Expansions Number of Total Expansion Slots 2 Expansion Slot Type SFP+