Relationships between the DIP switches on the AUX board and subrack IDs

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The jumpers and DIP switches on an AUX board are used to configure subrack IDs. The subrack ID configuration rules vary depending on the AUX boards of different versions.

Other related questions:
Functions of the jumpers and DIP switches on an AUX board
They are used to set subrack IDs.

DIP switches and fiber jumpers on the AUX board
For details on the DIP switches and fiber jumpers, see descriptions of AUX DIP switches and fiber jumpers in product manuals.

Relationship between the AUX board and the EFI1 and EFI2 boards on the OSN 8800
The AUX board is connected to the EFI1 and EFI2 boards through the backplane.

Cause why no jumper or DIP switch can be found on the AUX board of the OSN 8800
No jumper or DIP switch is available on the TN51AUX board on the OSN 8800. If master and slave subracks need to be configured, you can configure subrack IDs using EFI1 boards.

Relationship between SXM and XCT boards in an OSN 8800 T64 subrack
When the SXM and XCT boards work together in an OSN 8800 T64 subrack, ODUk cross-connections can be scheduled. The two boards do not form active/standby protection. To configure 1 + 1 backup for SXM boards, you need to insert two SXM boards of the same version into IU10 and IU44 slots or IU9 and IU43 slots. When an OSN 8800 T64 subrack contains only SXH or SXM cross-connect boards and XCT boards need to be added to support ODUk services, you must insert the physical boards before adding logical boards; otherwise, existing SDH services will be interrupted.

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