... (mode converter), or from single-strand to dual-strand fiber optic (fiber converter), or between the same fiber optics (fiber repeater). It provides the entire ... or DC Power, 100+100KM SPC410GB-M/SF20A MM850nm to Single Fiber TX-1310nm,LC Connector,AC or DC Power, 20KM SPC410GB ... -M/SF20B, MM850nm to Single Fiber TX-1550nm,LC Connector,AC or DC Power, 20KM 155M ...