The MR-9P9C from American Fibertek is a bi-directional contact module receiver, 12 db, multi-mode. The MR-9P9C from American Fibertek is a bi-directional contact module receiver, 12 db, multi-mode. The American Fibertek MR-9P9C transmits up to 3-Channels of either high-quality, state-of-the-art, 24bit digital audio and/or multi-protocol data and/or contact closure channel on one multimode optical fiber. This link is capable of providing an optical loss budget of 21 dB utilizing 1310nm/1550nm wavelength lasers. 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.