Description of the problem

The newly shipped Huawei OSN3500 device SSN4SL6403 uses P1L1-2D2, but the P1L1-2D2 optical interface does not reflect the dispersion tolerance in the product R10 manual. It is inconvenient for the network design and subsequent expansion cutover involving the use of SSN4SL6403 boards.

Process

Huawei OSN3500 Device N4SL64 P1L1-2D2 Dual-Fiber Bidirectional Optical Interface Performance

Item	Indicator Value
Nominal bit rate	9953280kbit/s
Line code type	NRZ
Optical interface type	P1L1-2D2
Transmission distance (km)	40～80
Operating wavelength range (nm)	1530～1565
Fiber Type	Single-mode LC
Transmit optical power range (dBm)	0～4
Optical receive sensitivity (dBm)	-24
Minimum overload point (dBm)	-7
Dispersion tolerance (ps/nm)	1600
Minimum extinction ratio (dB)	9
Maximum -20dB spectral width (nm)	1
Minimum Side Mode Rejection Ratio (dB)	30

Recommendation and Summary

After the development of new products, the R&D development documents are released in a timely manner to provide product opening instructions for new products. For 10G rate single board need to clarify the dispersion tolerance in the relevant documents.

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