24 Ports SFP Plus 4 Port 10G SFP+ with Dual DC input - Industrial Layer 2+ Gigabit Managed Switch - 24 x SFP Auto-Negotiating Ports - 4 x SFP+ uplink slots - Dual power input (12~58 VDC) and Reverse power protection - Power Consumption 35W - Single & Multiple rings supported with link loss recovery < 20ms - IEEE 802.1D/1w/1s Spanning Tree Protocol, 802.3ad Link Aggregation - IGMP v1/v2/v3, IGMP snooping - Port-based VLAN, 802.1Q, 802.1ad Double Tagging (Q in Q), 802.1v Protocol-based VLAN, Private VLAN - Multi-layer ACL support, Policy/profile-based ACL - IEEE 802.1X authentication Network Access Control, RADIUS Client for IEEE 802.1X - Multicast/Broadcast/Flooding Storm Control on per port and per VLAN basis - WEB-based Management and SNMP v1, v2c, v3 - IP-30 Ingress Protection - Operating Temperature -10°to 65°C - Environmental Test: Shock - IEC 60068-2-27, Freefall - IEC 60068-2-32, Vibration - IEC 60068-2-6 - Safety Certifications: UL compliance, CE/FCC - Fanless design - 19’’ r