Working mode of the TOA board when ODU0 services are configured on the board

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When ODU0 services are configured, the working mode of the TOA board must be set to ODU0 non-convergence mode (Any -> ODU0).

Other related questions:
Port working mode used by the TOA board to receive OC-48 services
The TOA board uses the ODU1 non-convergence mode to receive OC-48 services.

Difference between compatible mode and standard mode when the TOA board works in ODU1 convergence mode
The only difference lies in internal port names.

Types of services supported by TOA boards
TOA boards support the following types of services: FE: Ethernet service at a rate of 125 Mbit/s. GE: Ethernet service at a rate of 1.25 Gbit/s, supporting GE optical signals and electrical signals. OTU1: OTN services at the rate of 2.67 Gbit/s. STM-1/OC-3: SDH/SONET service at a rate of 155.52 Mbit/s. STM-4/OC-12: SDH/SONET service at a rate of 622.08 Mbit/s. STM-16/OC-48: SDH/SONET service at a rate of 2.5 Gbit/s. FC100: SAN service at a rate of 1.06 Gbit/s. FC200: SAN service at a rate of 2.12 Gbit/s. FC400: SAN service at a rate of 4.25 Gbit/s. FICON: SAN service at a rate of 1.06 Gbit/s. FICON Express: SAN service at a rate of 2.12 Gbit/s. FICON4G: SAN service at a rate of 4.25 Gbit/s. SDI: digital TV service at a rate of 270 Mbit/s. HD-SDI: high-definition digital TV service at a rate of 1.49 Gbit/s. HD-SDIRBR: high-definition digital TV service at a rate of 1.49/1.001 Gbit/s. 3G-SDI: high definition video services at the rate of 2.97 Gbit/s. 3G-SDIRBR: high-definition digital TV service at a rate of 2.97/1.001 Gbit/s. DVB-ASI: digital TV service at a rate of 270 Mbit/s. ESCON: SAN service at a rate of 200 Mbit/s. FDDI: SAN service at a rate of 125 Mbit/s.

Difference between the random and consecutive modes for configuring ODU timeslots when the LOA board works in ODU0 non-convergence mode
If the ODU timeslot configuration mode is set to Assign random, the board supports Any->ODU0->ODU2->OTU2. If the ODU timeslot configuration mode is set to Assign consecutive, the board supports Any->ODU0->ODU1->ODU2->OTU2. The difference between the two modes lies in whether the ODU1 chip is involved in mapping processing for intra-board cross-connections.

Whether one ODU0 service can be configured on the TN53ND2 board after two ODU0 services are deleted
1. If the ODU timeslot configuration mode is set to Assign random on the TN53ND2 board, one ODU1 service can be configured after two ODU0 services are deleted, which must be made on the TN53ND2 boards at both ends. Otherwise, services parsing fails, making services become unavailable. 2. If the ODU timeslot configuration mode is set to Assign consecutive on the TN53ND2 board, one ODU1 service cannot be configured after deleting two ODU0 services because there are mappings between ODU0 and ODU1 services.

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