Home > Products > FO Testers > CLR-OTDR-M/S                 CLR-OTDR-M/S       OTDR - Singlemode & Multimode, 850/1310/1550nm, 20/30/28dB                       Ordering Information                   CLR-OTDR-M/S Singlemode & Multimode OTDR, 850/1310/1550nm, 20/30/28dB CLR-OTDR-SM 1310/1550nm 32/30dB Built-in Visual Fault Locator