mini 1 ch video with 1 ch rs485 to fiber

{"cid":"91201786","title":"Mini HD-SDI Fiber Converter Tally & RS485 80km 8-Ch Audio Hot-Pluggable","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/f4\/023f17efa9eff0b04a188dc06190-200x200-1.jpg","attrs":{"Price":"$25-369","Brand Name":"E-link","Model Number":"LNK-MHD-1V Series","Minimum Order Quantity":"1 pair","Delivery Time":"5-10 working days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T,Western Union,MoneyGram,PayPal","Supply Ability":"10000pairs\/Month","Packaging Details":"SDI Fiber Media Converter Standard Package","Fiber interface":"Simplex LC","Transmission distance":"550m-20Km","Wavelength":"1310nm\/1550nm","Power adaptor":"DC 5~25V","Power consumption":"<5W","Dimensions (LxWxH)":"80 x 40 x 20 mm"}}