VIAVI OTDR Modules 4100-Series

Moduły OTDR z serii 4100

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    VIAVI OTDR Modules 4100-Series

    Opis produktu VIAVI OTDR Modules 4100-Series


    4100-Series DWDM OTDR Module

    For T-BERD®/MTS-2000, -4000 V2, -5800 Platforms

    As xWDM technology adoption continues to grow in access networks for broadband services, technicians require comprehensive and lightweight xWDM test tools. Consisting of a single module, the VIAVI C-band DWDM OTDR solution enables cable, wireless, and telco operators to perform complete end-to-end link characterization and troubleshooting of DWDM and hybrid CWDM/DWDM networks.

    The DWDM OTDR module’s optical performance, combined with the complete suite of T-BERD/MTS platform testing features, ensures that comprehensive testing is done right the first time.

    Standard testing features include:

    • Auto-setting of the acquisition parameters
    • Summary results table with pass/fail analysis per the international standards
    • Comprehensive event diagnosis
    • FastReport onboard report generation

    Key Benefits

    • Characterize fiber links with exact DWDM wavelengths
    • Troubleshoot live networks with in- service testing capability
    • Verify end-to-end continuity through MUX/DEMUX and ROADMs using the continuous wave source function
    • Smart Link Mapper (SLM) eliminates OTDR interpretation errors without impacting test times

    Key Features

    • Tunable DWDM OTDR module at ITU-T

    G.694.1 wavelengths

    • C-band - 1528 nm to 1568 nm
    • 44 dB dynamic range for access and metro applications
    • Integrated CW light source with modulation capability
    • Instantaneous traffic detection


    • Metro & access rings, business to business, advanced C-RAN fronthauls & next gen FTTH networks
    • Qualification of fronthaul access networks
    • Testing new DWDM wavelength routes without disrupting traffic on active channels
    • Pinpointing faults and their exact locations while in service

    Moduły OTDR z serii 4100 to wydajne rozwiązanie, które w połączeniu z szerokim zakresem funkcji pomiarowych platformy MTS idealnie dopasowuje się do wyzwań jakie stawiają sieci optyczne w dowolnej architekturze.

    Specyfikacja techniczna

    Laser safetyClass 1 (IEC), Class 1 (21CFR)
    Weight510 g (1.12 lb)
    Dimensions (w x h x d)128 x 134 x 40 mm (5 x 5.28 x

    1.58 in)

    Operating and Storage temperatureRefer to platform’s datasheet
    Distance unitsKm/m/mile/ft
    Group index range1.30000 to 1.70000 in 0.00001


    Number of data pointsUp to 256,000 data points
    Distance Measurements
    ModeAutomatic or dual cursor
    Display rangeFrom 0.5 up to 260 km
    Display resolution1 cm
    Cursor resolutionFrom 1 cm
    Sampling resolutionFrom 32 cm
    Accuracy±0.75 m ±sampling resolution

    ±1.10-5* x distance (excluding

    group index uncertainties)

    Attenuation Measurements
    ModeAutomatic, manual, 2-point, 5-point

    and LSA

    Display rangeFrom 1.25 dB to 55 dB
    Display resolution0.001 dB
    Attenuation linearity±0.03 dB/dB
    Threshold0.01 to 5.99 dB in 0.01 dB step
    Cursor resolutionFrom 0.001 dB
    Reflectance/ORL Measurements
    ModeAutomatic or manual
    Reflectance accuracy±2 dB
    Display resolution0.01 dB
    Threshold–11 to –99 dB in 1 dB steps
    StorageBellcore/Telcordia compatible Version 1.1 and Version 2.0
    OTDR and Light Source
    Wavelengths1C-band tuning –

    C62 to C12 (1527.99nm – 1567.95nm)

    @ 100GHz

    Channel spacing50/100/200GHz
    Pulsewidth10 ns to 20 µs
    Dynamic range244 dB
    Event dead zone31.5 m
    Attenuation dead zone44 m
    Light source WavelengthsSame as OTDR
    Light Source Output Power0 dBm
    Light Source Operating Modes5CW, 270 Hz, 330 Hz, 1 kHz, 2 kHz
    Automatic traffic detectionYes
    In-service testingYes
    1. Laser at 25°C and measured at 10 µs.
    2. The one-way difference between the extrapolated backscattering level at the start of the fiber and the RMS noise level, after 3 minutes averaging and using the largest
    3. Measured at ±1.5 dB down from the peak of an unsaturated reflective event using the shortest
    4. Measured at ±0.5 dB from the linear regression using a FC/PC reflectance and using the shortest
    5. Subtract 3 dB when used in modulation mode (270/330/1/2 kHz).

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