There are many people asked board version difference when they need replace or add service board on Huawei device such as Huawei OSN 3500, OSN 8800.
Below is an comparison between Huawei STM-64 service boards version difference.
N4SLD64 VS N1SLD64
1, N4SLD64 supports CWDM and DWDM colored optical interfaces, whereas the N1SLD64 does not.
2, N4SLD64 supports single-fiber bidirectional optical modules, whereas the N1SLD64 does not.
3, N4SLD64 detects and reports voltage performance, whereas the N1SLD64 does not.
4, N4SLD64 supports the PRBS function, whereas the N1SLD64 does not.
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