The Tektronix FS156 is a hardware filter module engineered for SDH/SONET telecommunications systems. It functions as a reference receiver, providing nominal performance when integrated with compatible optical-to-electrical converters. The FS156 filters specific frequencies within SDH/SONET signals to ensure optimal signal quality and measurement integrity across multiple transmission rates.
Technical Specifications
• Functionality: Hardware filter and reference receiver for SDH/SONET systems
• Supported Data Rates (with P6703B O/E converter):
– 51.84 Mb/s (OC-1/STM-0)
– 155.52 Mb/s (OC-3/STM-1)
– 622.08 Mb/s (OC-12/STM-4)
– Key Features
• Filters specific frequency components critical for SDH/SONET signal analysis
• Provides defined reference receiver performance for optical signal measurements
• Operates as a module component within test system architectures
• Compatible with industry-standard optical-to-electrical conversion interfaces
– Typical Applications
• Network infrastructure performance verification and signal quality assessment
• Frequency-selective isolation and analysis of SDH/SONET signal components
• Reference receiver emulation for telecommunications measurement standards
• Interoperability testing to validate equipment compliance with signal transmission and reception specifications
– Compatibility & Integration
• Primary O/E Converter: Tektronix P6703B optical-to-electrical converter
• Measurement Instruments: Tektronix sampling oscilloscopes including 11800 Series and CSA803 Series
• Related FS-Series Filters: Compatible with FS52 and FS622 filter modules for multi-rate system configurations
The FS156 integrates into existing Tektronix measurement setups as a plug-in filter element, enabling engineers to establish reference receiver conditions for SDH/SONET compliance and performance analysis.
