The OTX Bert Library (OtxBertEx) is a library written to aid in development of a Bit Error Rate Test (BERT) Application for the award winning OTX (Odin Telecom frameworX) software platform.

The library consists of a set of C language API functions which integrates tightly with the OTX Hardware API. By using these API functions, a developer can easily create an application which sends (or receives) a selected bit pattern on a selected T1/E1 span (or on certain timeslots of a span).

The library uses the 32-bit DMA burst transfer functionality of the OTX PCI Plus boards to transfer the bit pattern data between the OTX Adapter and the host CPU. Such transfer is highly effective, and therefore the OtxBertEx library puts little stress on the host CPU. The OtxBertEx library can easily generate and detect BER pattern on multiple T1/E1 spans in the same system.