EXFO s IQS-8115 Transport Blazer test module combines advanced DSn/PDH and SONET/SDH test functions in a single unit, eliminating the need for multiple, purpose-built test platforms for the testing of T1/E1 to OC-48/STM-16 circuits or network elements. The extensive list of DSn, SONET, PDH and SDH features available on the IQS-8115 Transport Blazer allows users to perform a wide range of tests from simple bit-error-rate (BER) analysis to more advanced characterization.