Latency measurement supported by some boards on OTN equipment

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To support the latency measurement function, the specified NMS license must be available. In addition, not all boards support the online latency measurement function. The following lists R007C02SPC300 boards that support online latency monitoring:
1. 2.5G tributary boards: TN54TOA, TN54THA, and TN54TOG
2. 10G tributary boards: TN57TOA, TN53TQX, TN53TDX, TN55TQX, TN57TQX, TN55TOX, and TN54TTX
3. 10G OTU boards: TN11LOA and TN14LSX
4. 100G tributary boards: TN54TSC

Other related questions:
Latency of services carried on OTN devices
The pre-calculated latency of each WDM device is 100 μs. The latency of a fiber is 5 μs/km.

Supported protection schemes at the OTN layer of Huawei OTN equipment
The following protection schemes are supported at the OTN layer of Huawei OTN equipment: client 1+1 protection, intra-board 1+1 protection, OLP, ODUk SNCP, tributary SNCP, and ODUK SPRing.

Whether the OSN 6800/8800/9800 support latency measurement
The OSN 6800/8800/9800 supports latency measurement. Note that not all boards support latency measurement. For details, see "Functions and Features" descriptions of the board in Hardware Description.

Latency calculation for bearer services on OTN devices
The precalculated latency of each WDM device is 100 μs. The latency of a fiber is 5 μs/km.

Whether OTN equipment supports tangent ring networking
Yes, OTN equipment supports tangent ring networking.

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