Pass H31-341_V2.5 Exam Guide

The TNG2M60V board is not a 60-channel multiplexer with VOA for the Super C band; this description is incorrect for that board model.

SOTU denotes a single-OTU interface that supports one OTU channel, whereas MOTU denotes a multi-OTU interface capable of handling multiple OTU channels.

In the OTN hierarchy, the OTUCn layer provides digital section functions (framing, section monitoring, forward error correction), and the ODUCn layer provides the digital path (channel) functions, so together they implement the digital section and channel layers.

In hybrid transmission scenarios involving both 100G-and-beyond and 10G signals, it is recommended that the optical power of 100G signals be higher than that of 10G signals but not exceed the single-wavelength nominal value of the OA board. This ensures the 100G signals, which typically have stricter OSNR and power requirements, maintain adequate quality without causing nonlinear effects or saturation. Proper power balancing between different signal rates prevents performance degradation and interference. HCIP-Transmission guidelines emphasize this approach for hybrid system stability and optimized performance.