IEC 61076-3-100:1999 applies to a range of shielded two-part connectors with trapezoidal-shaped shells and non-removable ribbon contacts on 1,27 mm double rows. The fixed connectors are provided with a post either for dip solder (type A, B, C, D) or non-accessible insulation displacement terminations (type E). The free connectors are provided with non-accessible insulation displacement terminations.