SC Duplex PVC Single-mode Fiber Loopback Module Fiber Loopback Module is designed to provide a media of return patch for a fiber optic signal. Typically it is used for fiber optic testing applications or network restorations.For the testing applications, the loopback signal is used for diagnosing a problem. Sending a loopback test to network equipment, one at a time, is a technique for isolating a problem. Fiber Loopback Module is abosolutely an economical solution for a number of fiber optic test applications. Fiber type Single-mode 9/125 Fiber connector SC/UPC Return loss SM≥50dB Insertion loss SM≤0.3dB Jacket material PVC (Yellow) Insert-pull test 500times, IL<0.5dB Operation temperature -20 to 70°C(-4 to 158°F) Dimensions 46×27.5x12mm HTS-Harmonized Code 8517709000
