MPO Loopback Connector is designde for testing of MPO parallel links and for device burn-in. By creating a loop of signal from transmitter to receiver within one MPO piug,it forms optical link which allows testing of optical network segment by segment.
4 fibers, 8 fibers, 12 fibers available
Standard loss and low loss available
Single mode APC or multi-mode PC available
Standard and customized fiber sequence available
Stable and reliable testing parameters of male and female connectors’ pin positioning
|Fiber type||single mode||multimode|
|Standard insertion loss||typical（dB）||0.35||0.35|
|Low insertion loss||typical（dB）||0.20||0.20|
|Return loss （dB）||≥60（APC）||≥20（PC）|
|Tensile Strength (kgf )||10|
|Durability （dB）||≤0.2 500 matings|
|working temperature （℃）||－40 ～+85|
|Test wavelength （nm）||1310||850|
MPO Attenuated Loopback is usde to test network devices transmitting capability and receiving sensitivity. Predetermined attenuation value greatly reduce tester cost and improve efficiency.