High Quality Content by WIKIPEDIA articles! TERA is a shielded twisted pair connector for use with Category 7 twisted-pair data cables, developed by The Siemon Company and standardized in 2003 by International Electrotechnical Commission (IEC) 61076-3-104. The 2006 revision of the standard extended the characterized performance up to 1000 MHz. The connector has a different footprint from the more common 8P8C connector style, often colloquially referred to as "RJ-45".