The Yokogawa/Ando AQ9431 is an FC optical interface connector adapter engineered to establish reliable connections between FC (Fiber Channel) type optical connectors and compatible Yokogawa or Ando optical test equipment. This screw mount adapter minimizes insertion loss and back reflection—critical parameters for maintaining signal integrity during optical testing and measurement operations. The AQ9431 integrates FC-terminated fiber optic cables and components into measurement setups without compromising accuracy.
Technical Specifications
• Connector Type: FC (Fiber Channel)
• Mounting Type: Screw mount
• Function: Optical interface adapter for connector mating
• Performance Design: Optimized to minimize insertion loss and back reflection
– Key Features
• Direct FC connector compatibility ensures straightforward integration
• Precision mechanical design supports accurate optical signal analysis
• Screw mount attachment provides stable, repeatable positioning
• Designed specifically for Yokogawa and Ando optical test platforms
– Typical Applications
• Fiber optic cable termination and connection within test systems
• Integration of FC-type optical components into measurement configurations
• Optical signal path continuity in laboratory and field deployments
• Connector interface solutions for optical multimeters, spectrum analyzers, and OTDR instruments
– Compatibility & Integration
The AQ9431 is engineered for use across the Yokogawa/Ando optical test equipment portfolio, including optical multimeters, optical spectrum analyzers, optical time domain reflectometers, power meters, and light sources. Yokogawa/Ando provides a complete adapter ecosystem supporting multiple connector standards—SC, ST, DIN, HMS-10/A, and MT formats—enabling flexible test system configurations across diverse fiber optic architectures.


















