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81591B 1x2 Optical Switch Module

Product Status: Obsolete | View Service Options
This product is no longer available

A replacement for this product is available:

Key Features & Specifications

Key performance specifications:

  • Insertion Loss < 1dB
  • Guaranteed lifetime > 10 Mio. cycles
  • PDL < 0.05dB
  • Highest repeatablity specified over 10.000 random switch cycles: 0.02dB


The plug-in module for Keysight's Lightwave Solution Platform 8163B, 8164B, 8166B is ideal for flexible system configuration in applications such as transceiver/receiver test with small foot-print or multiple passive component test with complex cascade. The Keysight modular design of the optical switch features a 1x2 matrix in both SMF and MMF with low insertion loss and highly repeatable switch routing in <10 ms switching time.

Routing of various optical sources such as laser in various wavelenght range and routing of various optical receiver such as power sensor, oscilloscope, BERT.


  • Highest repeatablity specified over 10.000 random switch cycles: 0.02dB
  • Guaranteed lifetime > 10 Mio. cycles


  • Using one test setup for testing DUTs in all transmission bands.
  • High uptime of test system minimize cost of ownership.
  • Minimize test uncertainties, maximize power budget enables higher production yield an highly competitive product specifications
  • Minimize test times - maximize production throughput.
  • Minimal influence on transmitted signal.