Huawei OSN1800V Single Fiber Bidirectional 4-Channel Optical Add/drop Multiplexing Configuration Board

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Huawei WDM-OTN Equipment Test Procedure
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TNF1SBM401 drops four channels of signals from the multiplexed signals and adds another four channels into the multiplexed signals. The demultiplexed signals and the multiplexed signals must be at different wavelengths.

Applied to Huawei OSN1800 I, OSN1800 II, OSN 1800V OADM frame.

The wavelength of optical port A is longer than the corresponding wavelength of optical port D.

Supports single fiber bidirectional transmission.

Provides the optical port to concatenate other OADM boards.

Supports the CWDM specifications.


TNF1SBM401 is an 4-channel optical add/drop multiplexing board applied to Huawei OSN1800 I, OSN1800 II, OSN 1800V OADM frame. TNF1SBM401 part number is , available hardware version for the SBM4 is TNF1; The system provides two types of the SBM4, namely SBM401, SBM402

Tech Specs
Front Panel
There are ports on the front panel of the board.


Corresponding interfaces Item Value
wavelength range (nm)
to 1611
channel spacing (nm)




1.0 dB spectral width(nm) ≥ 13
Drop channel insertion loss(dB) <
Adjacent channel isolation(dB) >
Non-adjacent channel isolation(dB) > 40




1.0 dB spectral width(nm) ≥ 13
Add channel insertion loss(dB) < 2.8
LINE-EXT Insertion loss(dB) < 2.8
Reflectance(dB) < -40
Mechanical Specifications
Typical Power Consumption(W) 0.5
Maximum Power Consumption(W) 0.5
Dimension (W x H x D, mm) 193.8 x 19.8 x 205.9
Weight(kg) 0.58


Additional information
Weight 0.0 kg
Dimensions 0.0 × 0.0 × 0.0 cm

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