Overview and Features 

• Repeatability: ± 0.01 dB, ± 0.004 dB (typical)
• Switching time: < 20 ms
• Service life: > 1 billion times
• LAN, USB and GPIB interfaces
• 816x VXI Plug and Play driver support
• N77xx Viewer Graphical User Interface (GUI)

The N7731A is a dual 1x4 fiber optic switch that can be used for single-mode or multimode fiber connections. They provide excellent repeatability, fast switching times, and flexible LAN, USB, and GPIB connections to further improve measurement accuracy and easily automate testing.