The Advantest Q8492 is a Coherent Optical Time Domain Reflectometer (C-OTDR) engineered for high-resolution characterization and testing of optical fiber networks. Using advanced coherent detection, it delivers accurate fiber analysis with an integrated laser source providing stable output power and wavelength. The instrument combines high dynamic range performance with multi-wavelength capability, enabling detection of small reflections and attenuations across long-distance fiber links. Operation is straightforward through an intuitive graphical interface, with remote monitoring and control support for centralized management across telecommunications, data center, and field maintenance environments.
Technical Specifications
Technology: Coherent Optical Time Domain Reflectometer (C-OTDR)
Laser Classification: Class 3A (IEC 825 compliant)
Operating Position: Horizontal
Storage Position: Horizontal (or vertical for transport with proper securing)
Standards Compliance: EMC Directive 89/336/EEC (EN50081-1, EN50082-1); Low Voltage Directive 73/23/EEC (EN61010-1)
– Key Features
• Coherent C-OTDR technology for high-resolution measurements and accurate fiber characterization
• Integrated laser source with stable output power and wavelength
• High dynamic range for detecting small reflections and attenuations in long-distance fiber links
• Multiple wavelength support including 1310 nm and 1550 nm transmission windows
• Fast measurement speed for efficient testing and troubleshooting
• User-friendly interface with intuitive controls and graphical displays
• Remote monitoring and control capabilities
• GPIB connectivity for automated controller-based operation and programming
• Integrated talkset function for communication during testing
• Floppy disk drive for data storage, retrieval, and configuration management
– Laser Safety
Class 3A laser output. Direct viewing of laser beam through connectors prohibited—risk of irreversible eye damage. Adhere to all safety precautions in operation manual.
– Interfaces and Connectivity
• GPIB (General Purpose Interface Bus)
• OUTPUT connector (OTDR unit front panel)
• MONITOR A and MONITOR B connectors (OTDR unit front panel)
• OPTICAL OUTPUT A and OPTICAL OUTPUT B connectors (Light Source unit rear panel)
• Floppy disk drive
• Integrated talkset
– Typical Applications
• Telecommunications network testing and certification
• Data center fiber infrastructure maintenance
• Field deployment and troubleshooting of optical networks
• Long-distance fiber characterization and analysis
