The series 900 Frequency Modulated (FM) based Intercom compatible fiber optic audio transmission systems operate over one or two multimode or singlemode fibers. The Series 900 product family supports most Intercom manufacturers including Aiphone, TOA, Bogen, Dukane. Optional features include FM video capabilities. The Series 900’s capabilities are enhanced by its compatibility with Meridian’s PC based SpectraSmart Network Management and Diagnostic software system. SpectraSmart supervises the operating parameters of the transmission system such as status on FM carrier detect, voltage, temperature, audio and optical levels. The 900 product family is available as rack mount cards that can be installed in all of Meridian’s card chassis, desk chassis and 19” racking frames. This system can be configured in either star (module to rack) or trunking (rack to rack) configurations.