The American Fibertek MTM-61 is the module transmitter component of the M61 series. The single fiber bi-directional transceiver is a low cost, low profile video and bi-directional data transceiver system. The system utilizes one multimode optical fiber. Designed to be completely transparent, this system requires no field adjustments at installation or additional maintenance thereafter. Diagnostic indicators provide a quick visual indication of system status. Equipment may be ordered as stand alone modules or rack cards that are mounted in the American Fibertek Card Cages: SR-20D/2, SR-20R/1.