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The JDSU E8126LR Long Range OTDR Module helps cable operators, dark fiber providers and telecommunication service providers to characterize, maintain and troubleshoot CWDM fiber networks. The plug-in's automation and rapid testing features offer impressive time savings for companies involved in commissioning and locating faults in optical fiber. It is used with the MTS/T-BERD platforms. Technical specifications. Central Wavelength: 1310 / 1550 ± 20 nm. Pulse width: 3ns to 20 µs. RMS Dynamic Range (Typical value corresponding to the difference (in dB) between the level of back-diffusion extrapolated at the beginning of the fiber and the RMS noise level , after 3 minutes of averaging, with the largest pulsewidth.): 43 / 41 dB. Event Dead Zone (measured at 1.5 dB below the peak of a non-saturated reflecting event at shortest pulsewidth): 0.8 m. Attenuation Dead Zone: 4 m. Continuous Wave Output Power: 0 dBm. OTDR characteristics. Distance units: Kilometers, feet and miles. Group index range. 1.30000 to 1.70000 nm in 0.00001 steps. Number of data points: up to 128 000 data points. Distance measurement: automatic or dual cursor. Display resolution: 1 cm. Cursor resolution: from 1 cm. Sampling resolution: from 4 cm. Accuracy: ±1 m ±sampling resolution, ±1.10-5 x Distance (Excluding group index uncertainties). Attenuation measurement: automatic, manual, 2-point, 5-point and LSA. Display span: from 1.25 dB to 55 dB. Display resolution: 0.001 dB. Cursor resolution: from 0.001 dB. Accuracy: ±0.05 dB ±0.05 dB/dB. Threshold: 0.01 to 5.99 dB in 0.01 dB step.
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