Interfaces/Ports Total Number of Network Ports 44 Modular Yes Port / Expansion Slot Details 44 x Gigabit Ethernet Network 4 x 10 Gigabit Ethernet Expansion Slot 4 x Expansion Slot I/O Expansions Number of Total Expansion Slots 8 Expansion Slot Type SFP+ Number of SFP+ Slots 4 Media & Performance Media Type Supported Twisted Pair Optical Fiber Ethernet Technology Gigabit Ethernet 10 Gigabit Ethernet Network Technology 10/100Base-TX 10/100/1000Base-T 10GBase-X Network & Communication Layer Supported 3 CTO from J9850A switch to JL003A spec.