OTN – Lesson 9 – Video 6 – OTU Layer Sink Direction Circuitry – OTSi/OTUk_A_Sk Function

This post presents the 6th of the 11 Videos that covers training on Performance Monitoring at the OTU Layer. This post focuses on the Sink Direction OTU-Layer Atomic Functions.

OTN – Lesson 9 – Video 6 – OTU Layer Sink Direction Circuitry/Functionality – Part 4

This blog post contains a video that focuses on the OTSi/OTUk_A_Sk Atomic Function.  

The OTSi/OTUk_A_Sk Function has many of the same features/functionality as the OTSiG/OTUk_A_Sk Function.  

However, the OTSi/OTUk_A_Sk function supports the transport/reception of an OTU signal over a Single-Lane Connection (instead of 4 electrical lanes – such as the OTL3.4 or OTL4.4 Interface). Hence, this Atomic Function applies to OTU1 and OTU2 applications.  

The main difference between the OTSi/OTUk_A_Sk function and the OTSiG/OTUk_A_Sk function is that the OTSi/OTUk_A_Sk function will detect and declare the OTUk-AIS defect.  

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