The American Fibertek M-301CE Series transmits one channel of high- quality, FM video on one multimode optical fiber. The American Fibertek M-31C Series is capable of receiving three channels of high- quality FM video on three multimode optical fibers. All units operate at 1310 nm for extended range applications and are compatible across the series. Designed to be completely transparent to all camera and monitor manufacturers, the system requires no field adjustments at installation or additional maintenance thereafter. Diagnostic indicators provide a quick visual indication of system status. The M-301CE Series may be ordered as stand alone low profile modules or rack cards that are mounted in the SR-20/2 or SR-20H/2 American Fibertek Card Cages. The M-31C Series receivers are ordered as rack cards to be mounted in the SR-20/2 or SR-20H/2.