Lantronix UDS1100. Cabling technology: 10/100/1000Base-T(X). Input voltage: 9 - 30 V. Management protocols: SNMP, Telnet, HTTP. Supported network protocols: ARP, UDP, TCP, ICMP, Telnet, TFTP, AutoIP, DHCP, HTTP, SNMP TCP, UDP, Telnet, TFTP. LED indicators: LAN