Which of the following statements about a TNG2WSMD09 board aretrue? (Choose all that apply.)
After GE services enter the client side of an OUT board that supports Ethernet services, they are encapsulated into OTN or SDH signals by the signal processing module. The alarm signals are processed in the same way between encapsulation into OTN signals and encapsulation into SDH signals.
What is the networking mode of a parallel FOADM site?
When the TTI to be received at the PM layer is inconsistent with the TTI actually received at the PM layer, which of the following alarms will not be reported?
Modulation is a process where the information of a signal source is processed and added to a carrier to make the information suitable for channel transmission. It is a technology where a carrier changes with a signal.
Which of the following statements about trail deletion on the NMS is false?
Drag the correct answer to the corresponding number in the picture.
Services cannot be automatically switched to the protection channel when the working channel of optical line protection is faulty. Which of the following are possible causes? (Choose all that apply.)
Which of the following statements about user side interfaces and network-side interfaces of E-Line services are true?
To prevent the optical power at the receive end of an OTU board from being excessively high, you must configure a fixed attenuator according to the actual optical power. The fixed attenuator is usually configured at the transmit end.