EXFO America Inc. ODU0 **FLEX compatible**Enables ODU0 testing capability - Available for FTB/IQS-8120NGE / 8130NGE. - Available for FTB/IQS-8120NGE / 8130NGE-FLEXRequires OTU1, OTU2, or OTU3 and ODUMUX options.(Operates only in a FTB-500 or IQS-600 platform)