EXFO America Inc. TK-1-FTB-810 FTB-1 Test Kit, including 2.5Gbit/s NetBlazer Transport Tester Supports DSn/PDH and SONET/SDH up to 2.5Gbit/s Optical Interface: Optical reach will be determined by selected transceivers. - SFP Transceiver must be specified. Optical Rates (ENABLED b