Connections for hydraulic fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing - Dimensions, design, test methods and requirements for heavy-duty (S series) stud ends Ingestion-build-48068 This part of IEC 61290‑4

This part of IEC 61290‑4 applies to optical amplifiers (OAs) using active fibres (optical fibre amplifiers (OFAs)) containing rare-earth dopants including erbium-doped fibre amplifiers (EDFAs) and optically amplified elementary sub-systems

It is applicable to single coatings and to multicoat systems

It also deals with hazards during commissioning

fully programmable

Required characteristics

Connections for hydraulic fluid power and general use. Ports and stud ends with ISO 261 metric threads and O-ring sealing - Dimensions, design, test methods and requirements for heavy-duty (S series) stud ends Ingestion-build-48068 This part of IEC 61290‑4