32-Port Industrial Gigabit Managed Ethernet Switch, with 4*10/100/1000 RJ45 Ports, 24*100/1000 SFP Slots, and 4*1G/10G SFP+ Slots with AC and DC (-48V) Power Supply

32-Port Industrial Gigabit Managed Ethernet Switch, with 4*10/100/1000 RJ45 Ports, 24*100/1000 SFP Slots, and 4*1G/10G SFP+ Slots with Single DC Power Supply (-48V)

32-Port Industrial Gigabit Managed Ethernet Switch, with 4*10/100/1000 RJ45 Ports, 24*100/1000 SFP Slots, and 4*1G/10G SFP+ Slots with Dual DC Power Supply (-48V)

32-Port Industrial Gigabit Managed Ethernet Switch, with 4*10/100/1000 RJ45 Ports, 24*100/1000 SFP Slots, and 4*1G/10G SFP+ Slots with Single AC Power Supply

32-Port Industrial Gigabit Managed Ethernet Switch, with 24*100/1000 SFP Slots, 4*Gigabit  Ports 10/100/1000Tx RJ45 and 4*10/1G SFP+ Slots with Dual AC Power Supply