EXFO America Inc. TK-1-FTB-810G FTB-1 Test Kit, including 10Gbit/s NetBlazer Transport Tester Supports DSn/PDH and SONET/SDH up to 10Gbit/s Optical Interfaces: Optical reach will be determined by selected transceivers. - SFP and SFP+ Transceivers must be specified. Optical Rates (