This Black Box Gigabit Ethernet Extreme Temperature Managed Switch has ten 10/10/1000-Mbps RJ-45 copper ports and four multi-speed SFP ports for uplinks. It offers full wire-speed forwarding rates, auto-negotiates for network speeds, and Auto-MDI/MDI-X, eliminating the need for crossover cables. Minimize downtime by remotely diagnosing and managing network problems with the advanced management features. The switch is fully manageable through SNMP, a Web browser, Telnet, or a console port. The switch supports port-based VLAN and IEEE 802.1Q VLAN tagging, MAC-based trunking, IP-multicast IGMP snooping, and rapid spanning tree for redundancy. It also has 802.1x port-based authentication for security.