The VIAVI Solutions OLA-15B is a hand-held optical attenuator for precise control of optical signal strength in single-mode fiber optic systems. Designed for installation, maintenance, and testing environments, it delivers continuous attenuation adjustment with 0.05 dB resolution across a 3 to 60 dB range. The instrument supports bidirectional operation and operates across the 1260 to 1625 nm band, with calibration points at 1310 nm and 1550 nm.
Technical Specifications
• Attenuation Range: 3 to 60 dB
• Attenuation Resolution: 0.05 dB
• Attenuation Setting: Continuous over entire range
• Minimum Insertion Loss: ≤3 dB
• Linearity: ±0.2 dB
• Repeatability: ±0.1 dB
• Total Attenuation Uncertainty: ±0.8 dB
• Maximum Input Level: +23 dBm
• Wavelength Range: 1260 to 1625 nm
• Calibration Points: 1310 nm and 1550 nm
• Fiber Type: Single-mode 9/125 µm
– Key Features
• Bidirectional operation for flexible test configurations
• PC or APC connector options; APC interface available for high-return-loss applications
• 4-digit LCD display with large rotary control knob for straightforward attenuation adjustment
• Splash-proof housing with optical connector protectors for field durability
• Operating temperature range: −5 to +55 °C
• Multiple power options: AC adapter (NT-20), dry cells (2 × AA 1.5 V), or rechargeable NiCd batteries
• Automatic power-off after approximately 20 minutes (user-disableable)
• Weight: approximately 500 g (batteries included)
• Dimensions: 95 × 49 × 195 mm (W × H × D)
– Typical Applications
• Simulating line loss for BER testing in fiber systems
• Determining system margin and receiver sensitivity
• Calibration of optical power meters
• Optical signal strength characterization
– Compatibility & Integration
Interchangeable test adapters from the BN 2060/00.XX series support multiple connector types including DIN, FC, SC, ST, and E2000.
