The HP/Agilent 81595A is a 1×4 optical switch module engineered for automated signal routing in lightwave test and measurement systems. Designed as a plug-in card for Agilent’s 8163A/B, 8164A/B, and 8166A/B mainframes, it eliminates manual fiber reconnections and enables rapid, repeatable testing of optical components across the C- and L-bands without reconfiguration.
## Technical Specifications
• **Switch Configuration:** 1×4 optical switch
• **Wavelength Range:** 1270 nm to 1650 nm
• **Fiber Type:** 9/125 µm SMF28 single-mode
• **Insertion Loss:** < 0.8 dB (excluding connectors); typical 1.0 dB (including connectors)
• **Polarization Dependent Loss:** < 0.14 dB
• **Return Loss:** Typically 45 dB to 60 dB
• **Crosstalk:** Typically –70 dB
• **Repeatability:** 10 million cycles
• **Warm-up Time:** 30 minutes
• **Operating Temperature:** 10 °C to 45 °C
• **Humidity:** 95% non-condensing
• **Connectors:** Angled FCI (option for R key/narrow key)
• **Dimensions:** 75 mm (H) × 32 mm (W) × 335 mm (D)
• **Weight:** 0.5 kg
## Key Features
• Automated switching eliminates manual reconnection overhead
• Low insertion loss and exceptional repeatability ensure signal integrity
• High return loss and –70 dB crosstalk isolation enable clean multiplexing and routing
• Modular design integrates directly into established Lightwave Solution Platforms
• Extended wavelength coverage supports C-band and L-band applications
## Typical Applications
• Bit Error Rate (BER) testing
• Optical amplifier characterization
• DWDM component validation
• Transmission system test automation
• Multi-channel signal routing and switching
## Compatibility & Integration
The 81595A plugs directly into Agilent/Keysight Lightwave Solution Platforms 8163A/B, 8164A/B, and 8166A/B, providing immediate integration into existing test suites.
