The ILX Lightwave 7900B Mainframe paired with the FOS79800D WDM DFB Fiber Optic Source Module creates a configurable optical test platform for WDM systems and component characterization. The 8-bay mainframe accommodates up to eight plug-in modules and supports synchronous modulation across multiple sources. The FOS79800D delivers precise wavelength control and stable optical output across the C-band and L-band spectrum, making this system ideal for demanding development and production test environments.
Technical Specifications
• Wavelength Range: 1528 nm to 1610 nm (C-band: 1527.98–1564.26 nm; L-band: 1564.27–1610.06 nm)
• Output Power: Minimum 10 dBm (315×1 Series); Minimum 13 dBm (315×2 Series)
• Wavelength Accuracy: ±0.05 nm
• Attenuation: 10 dB calibrated range
• Internal Modulation Waveform Frequency: 0.1 – 500 kHz
• Modulation Input Frequency: 1 – 500 kHz
• Synchronous Modulation: Up to 500 kHz across sources
• Channel-to-Channel Synchronization: <100 ns
• Modulation Output: TTL level with gate delay <60 ns/mainframe and jitter <50 ns
• Module Capacity: Eight plug-in modules per mainframe
• System Expansion: Up to 200 channels across 25 linked mainframes
– Key Features
• ITU grid point and user-defined wavelength selection
• GPIB/IEEE-488.2 interface for automated control
• RS-232 connectivity
• LabVIEW® instrument drivers available
• Modular architecture supports mixed module types in single mainframe
– Typical Applications
• WDM system and component testing
• Multi-channel optical source control and measurement
• Research and development environments requiring high stability
• Automated test sequences via GPIB programming
– Compatibility & Integration
The FOM-7900B mainframe is designed to host FOS79800D/315 Series WDM DFB modules alongside FOS-79710 Fiber Optic Switch Modules and DPM-79810 Dual Power Meter Modules, enabling comprehensive optical system characterization within a single platform.
