IEC 61754-35 Ed. 1.0 b:2020

Fibre optic interconnecting devices and passive components – Fibre optic connector interfaces – Part 35: Type LSHE connector family for harsh environments
standard by International Electrotechnical Commission, 04/09/2020

IEC 60130-17 Ed. 1.0 b:1998

Connectors for frequencies below 3 MHz – Part 17: Detailspecification for interconnection devices which permit multi-directional mating, for use with rechargeable batteries
standard by International Electrotechnical Commission, 02/12/1998