The POTDR-1100 is a highly unique instrument that helps network operators locate high-PMD link spans, in order to replace old fibers when upgrading their systems. This technology is conveniently packaged in a four-slot module for EXFO’s proven FTB-400 Universal Test System.

• Locates high-PMD spans along installed fibers 
• Classifies low-, medium- and high-PMD fiber 
• Enables network bit-rate upgrades while maximizing the use of deployed fibers