TRIPLE WIDTH MODULE WALL MT BASE KT WEIGHT 2.8 The FT85081/FR85081 fiber transmitter and receiver provide the ability to transmit up to eight unidirectional composite video channels and one bidirectional data channel over one optical fiber. The FT85081 transmitter and the FR85081 receiver are available in multimode and single-mode versions. Modular in design, the FT85081 and FR85081 units can be rack mounted or can be used as stand-alone modules. Rack mounting is accomplished using the RK5000 Series rack mount chassis. Stand-alone modules can be placed on a desktop or can be mounted to a wall.