KY-MPGB1604 - 20 port, Managed, Temperature Hardened, NSA Certified - 16 x 30 Watt PoE Plus Ports & 4 x 1000 Gigabit SFP Slots

16+4 Port Industrial Managed PoE+ Gigabit Ethernet Switch ERPS & NSA Endpoint Security Certified    16x Gigabit Ethernet ports with IEEE 802.3at PoE+                   4x 1000F(x) SFP Slot                   Protection – IP30 / Fanless, Convection Cooled                   NSA Network Endpoint Guideline Certified for Console Port Shutdown and Chassis Full Security (Patent Pending)                   Built for harsh environments and wide temperature range application                   RSTP, MSTP, ERPSv2, LACP for Network Redundancy & Safety                   QoS CoS/DSCP to increase determinism                   Supports IGMP Snooping v1/v2/v3, up to 1023 groups                   DHCP Relay Option 82 for policies IP address assignment                   SNMP v1/v2c/v3 for network management                   Supports Storm Protection                   5 Year / Limited Lifetime Warranty                   USB storage for configuration-free replacement                   Support industr