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The JDSU 8126MR Medium 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. Min IEC Dynamic (Guaranteed value corresponding to the one-way difference (in dB) between the level of back-diffusion extrapolated at the beginning of the fiber and the level containing 98% of noise, after 3 minutes of averaging, with the largest pulsewidth (according to IEC 61749 standard): 39 / 37 dB. Typical 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.): 40 / 38 dB. Distance Range: up to 380 km. Pulse width: 3ns to 20 µs. 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: -3.5 dBm. Modulated wave output power (Auto, 270/330/1k/2k Hz): -6.5 dBm.
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