General Information Product Name 20 Port GT PoE+/4 Port-SFP V2 ZL Module Manufacturer Part Number J9535A Product Type Expansion Module Technical Information Application / Usage Data Networking Optical Network Interfaces/Ports Interfaces / Ports Details 20 x RJ-45 1000Base-T PoE LAN I/O Expansions Number of Total Expansion Slots 4 Expansion Slot Type SFP Media & Performance Media Type Supported Twisted Pair Ethernet Technology Gigabit Ethernet Network Technology 1000Base-T Other Information Maximum Data Transfer Rate 1