Which of the following is the impact of changing the NE ID of OSN 3500 on the NMS?
In the case of SNCP, a line board selectively receives services. Therefore, the SNCP can protect the services on the line.
The frame period of OTN signals is fixed, which is the same as that of SDH signals.
Which of the following maintenance signals is transmitted from a downstream site to an upstream site in OTN?
The PRBS can be used to test whether an SDH service is normal and whether the protection switching function is normal.