Whether a service is provisioned on an MSTP device

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Whether a service is provisioned on an MSTP device:
1. Search and view related service trails to check whether the service trails are complete and activated.
2. Check whether abnormal alarms are reported for the service board.
3. Test the customer services.

Other related questions:
Whether service provisioning is affected if a synchronous device is added to an OTN ring of an asynchronous system
A synchronous system and an asynchronous system can be interconnected with each other.

Whether 10GE services can be provisioned between LSX and ND2
LSX is an OTU board, while ND2 is an OTN line board. An OTU board cannot be interconnected with an OTN line board. Therefore, 10GE services cannot be provisioned between them.

Whether diamond services can be switched if D4 to D12 bytes are unavailable on an MSTP device
Whether diamond services can be switched if D4 to D12 bytes are unavailable on an MSTP device: If D4 to D12 bytes are unavailable, diamond services can be switched normally but cannot be rerouted.

Relationship between MSTP device unreachability and service interruption
Relationship between MSTP device unreachability and service interruption: SDH service and monitoring channels are distributed in different positions of an STM-N frame. By default, the regenerator section overhead bytes D1–D3 are used as the monitoring channel, and the payload area of the STM-N frame is used as the SDH service channel. Modules on each board can independently process the bytes and payloads. In normal cases, services will not be interrupted due to device unreachability(a monitoring channel fault). Device unreachability indicates that the monitoring signals cannot be transmitted or received from the NMS to an NE. For example, DCC bytes fail to be transmitted or received. The possible cause is that the system control board may be faulty. A service interruption indicates that service signals are unreachable at the source and sink ends. If a device becomes unreachable and a service is interrupted, the following faults may occur: power outrage, board faults, or link faults. You can determine the possible cause based on alarms reported on upstream NEs.

Whether services can be provisioned between EFS and ET1 boards
EFS and ET1 boards use different encapsulation protocols. Therefore, services cannot be provisioned between them.

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