The ComNet™ FVT1D1[/M] video transmitter, along with the FVR1D1 and FVR2D2, supports the transmission of digital video transmission and bi-directional RS422 or 2- or 4-wire RS485 data channel over multimode or single mode optical fiber(s). When the unit is operated in the RS422 2-wire data mode, a simplex contact closure channel is available. This module is universally compatible with major CCTV camera manufacturers. Plug-and-play design ensures ease of installation and no electrical or optical adjustments are ever required. Bi-color (red/green) LED indicators are provided for confirming operating status. The small-size FVT1D1/M transmitters are ideal for locations where space is at a premium. Packaged in the exclusive ComNet ComFit housing, the full size transmitter and receiver units may be rack-mounted, or may be DIN-rail mounted by the addition of ComNet model DINBKT1 adaptor plate.