S751DA / S7751DA The S751DA (multimode) and S7751DA (single-mode) links provide two-way transmission of single-channel audio and multi-protocol data over one or two fibers.
S754DA / S7754DA The S754DA (multimode) and S7754DA (single-mode) links provide two-way transmission of two channels of audio and two channels of multi-protocol data over one or two fibers.