Antaira Technologies FCU-100ST-S3 is a compact fiber to Ethernet media converter housed in a metal case and conforms to the FCC emissions standards. The FCU-100ST-S3 features a standard ST fiber connector as well as the STP-RJ45 Ethernet connector. The copper media converter is fully compliant with IEEE 802.3 and 802.3u Fast Ethernet standers. The industrial media converter features LED diagnostics for power, activity, link and Full/Half Duplex operations. The FCU-100ST-S3 is a 10/100 single-mode fiber media converter capable of communication up to 30KM.