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OSN 3500  is a new-generation optical transmission system developed by Huawei. It adopts a unified switching architecture and can function as an MPLS/MPLS-TP-based packet device or a TDM device. When working with other devices of Huawei,  OSN 3500  supports various networking modes, including the pure packet mode, hybrid networking (packet + TDM) mode, and pure TDM mode, achieving optimal processing for packet services and traditional SDH services. Thus,  OSN 3500  efficiently transmits voice and data services over the same platform. Version Description The SLQ1A is available in one functional version, namely, N1. Through the board version replacement function, the N1SLQ1 and the N1SLQ1A can substitute each other. Version Mapping Board Start Version N1SLQ1A V100R008C01 Board Updates This section describes the hardware updates in V200R013C30 and later versions as well as the reasons for the updates. Any product versions that are not l...

The OptiX OSN 7500 II  SDH boards that operate at the STM-64, STM-16, STM-4, and STM-1 rates. SLQ1A (4xSTM-1 optical interface board). SLH1 (16xSTM-1 signal processing board). SLQ4A (4xSTM-4 optical interface board). SL16 (1xSTM-16 optical interface board). SL16A (1xSTM-16 optical interface board). SLQ16 (4xSTM-16 optical interface board). SLO16 (8xSTM-16 optical interface board). SL64 (1xSTM-64 optical interface board). SLD64 (2xSTM-64 optical interface board). SLQ41 (4xSTM-4/STM-1 optical interface board). SLH41 (16xSTM-1/STM-4 optical interface board with the variable rate). EU08 (8xSTM-1 electrical interface board). OU08 8xSTM-1 optical/electrical interface board). 1. Relationship between the feature code of the SLQ1A and the type of optical interface Board Feature Code Type of Optical Interface SSN1SLQ1A10 10 S-1.1 SSN1SLQ1A11 11 L-1.1 SSN1SLQ1A12 12 L-1.2 SSN1SLQ1A13 13 Ve-1.2 SSN1SLQ1A14 14 I-1 SSN1SLQ1A15 15 Ie...