Whether there are fiber connections between an NQ2 board and a TOM board on an OSN 8800

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There is no fiber connection between an NQ2 board and a TOM board. The two boards are interconnected through a cross-connect board.

Other related questions:
Whether there are fiber connections between the NQ2 board and the TOM board on OptiX OSN 8800
There is no fiber connection between the NQ2 board and the TOM board, which are interconnected through a cross-connect board.

Whether fibers are required to interconnect the TOM and NQ2 boards on the OSN 8800
On the OSN 8800, a TOM board is a tributary board while an NQ2 board is a line board. They are interconnected using cross-connections configured on the NMS instead of using fibers. A cross-connect board is used to achieve the cross-connections between the TOM and NQ2 boards so that services on the two boards can be interconnected.

Fiber connections of the OBU board on an OSN 6800
Fiber connections of the OBU board on an OSN 6800 are as follows: The TC port of the FIU board is connected to the VI port of the OBU board. The VO and IN ports of the OBU board are connected. The OUT port of the OBU board is connected to the IN port of the D40 board.

Whether the OSN 8800 supports 100G boards
Yes, the OSN 8800 supports 100G boards such as LSC and LTX.

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.

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