2 única fibra + 4rj45, sm 1310/1550nm, 20km, sc, 2 porto + 4 porto 10/100/1000 t din trilho industrial ethernet switch media converter|Equipamentos de fibra óptica| - AliExpress
MODBUS-Plus to Multimode converter, DL485-MBP | EKS
Ethernet Media Converters - Industrial Network Infrastructure | Moxa
1Pair Media Converter HTB-3100 Fiber Optical Single Mode Single Fiber SC Port 20KM External Power Supply 10/100M Fiber Converter/Fiber Switch/Fiber Connecter/ | Lazada PH