STM-1 Electrical and Optical Converter (HM-S102) Beijing Human Information Technology Co., Ltd. Base Info Model NO.:HM-S102Stm-1:Electrical and OpticalPackage:10units,CartonTrademark:humanitySpecification:ISO certifiedOrigin:ChinaHS Code:8517699000 Description Pre:2R Optical Regenerator Next:HDMI Cable A Type to A Type