Standard mode (new model) of a board

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In V100R006C01 and later versions, some boards use a new board model. To distinguish the new board model from the existing board model, the new board model is called the standard mode and the original one is called the compatible mode. For boards in standard mode, the NMS displays the service mapping paths of trails or physical ports only, and all ODU-layer service mapping paths are displayed on physical ports. In standard mode, you do not need to consider logical ports of boards during cross-connect configuration. Compared with compatible mode, standard mode involves fewer mapping path layers, facilitating configuration and reducing maintenance costs.

Other related questions:
Whether boards in compatible mode and boards in standard mode can be interconnected or used together
1. On the backplane side, the boards in compatible mode and standard mode can be interconnected with each other without any restrictions. 2. On the line side, the boards in compatible mode and standard mode can be interconnected only when the following settings of the boards are the same: timeslot mode (Assign consecutive or Assign random), port rate (standard or speedup mode), mapping path, FEC mode, channel number, differential mode (differential or non-differential), and modulation format (DQPSK, DRZ, or ODB).

Board timeslot configuration
You can set the timeslot configuration mode on the WDM-side port of a board. The service mapping paths of a board vary depending on the ODUk timeslot configuration mode. In Assign consecutive mode, level-by-level service mapping is performed from lower rates to higher rates, for example, ODU0->ODU1->ODU2. In Assign random mode, cross-level service mapping is performed from a low rate to a high rate, for example, ODU0->ODU2.

Limitation on interconnection between a board in standard mode and a board in compatible mode when ASON is deployed
When a system uses ASON, a board in standard mode and a board in compatible mode can be interconnected with each other on the backplane side but cannot be interconnected on the WDM side. If an electrical-layer ASON service needs to traverse a board in standard mode, the version of the source NE must be V100R006C01 or later.

Difference between the standard mode and compatible mode of OSN 8800 boards
In V100R006C01 and later versions, some boards use a new board model. To distinguish the new board model from the existing board model, the new board model is called the standard mode and the original one is called the compatible mode. For boards in standard mode, the NMS displays the service mapping paths of trails or physical ports only, and all ODU-layer service mapping paths are displayed on physical ports. In standard mode, you do not need to consider logical ports of boards during cross-connect configuration. Compared with compatible mode, standard mode involves fewer mapping path layers, facilitating configuration and reducing maintenance costs.

Compatible mode and standard mode
In V100R006C01 and later versions, some boards use a new board model. To distinguish the new board model from the existing board model, the new board model is called the standard mode and the original one is called the compatible mode. For boards in standard mode, the NMS displays the service mapping paths of trails or physical ports only, and all ODU-layer service mapping paths are displayed on physical ports. In standard mode, you do not need to consider logical ports of boards during cross-connect configuration. Compared with compatible mode, standard mode involves fewer mapping path layers, facilitating configuration and reducing maintenance costs. For example, among logical boards created on the NMS, 53TDX (STND) is in standard mode while 53TDX is in compatible mode, and 53ND2 is in standard mode while 53ND2 (COMP) is in compatible mode.

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