EXFO America Inc. MULTI-CH-SDT **FLEX compatible** Capability to take Multi-Channel SDT measurement - Available for FTB/IQS-8120NGE / 8130NGE - Available for FTB/IQS-8120NGE-FLEX / 8130NGE-FLEX - Available for FTB/IQS-8140 (Operates only in a FTB-500 or IQS-600 platform)