... cable equalization function, compensation for cable transmission lossConvenient instructions of LED status, SD/HD indicator, CDR lock, optical link, ... and courtesy feedsProduct Description Atech 3D/HD/SD SDI fiber optic transmission system can transmit one 3G-SDI, or HD ... or one DVB-ASI stream through one single mode fiber or multimode fiber with the standards of SMPTE424M, SMPTE259M, SMPTE297M, ...