The S751DAR-RST1 is a fiber link from GE Security that is ideal for promoting transmission of 2-way audio, contact closure, and multiprotocol data over 1 multimode fiber. The S751DAR-RST1 fiber link comes with Diagnostic LEDs, inbuilt audio test generator, 1 duplex channel relay/contact closure, as well as multiprotocol data format support. The S751DAR-RST1 fiber link also features remote and local user-selectable data formatting, unique data translation function, plus video 24 bit processing. This fiber link is designed as a simple to install unit, and is suited for use in long term applications with its advanced design.