Whether an ST2 board and SC2 board can be interconnected on an OSN 6800

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It is not recommended that ST2 and SC2 boards be interconnected because they have different rates and encoding formats (CIM used by the SC2 board and FEC used by the ST2 board).
SC1 and SC2 boards use the same rate and encoding format, and therefore can be interconnected.

Other related questions:
Whether the ST2 board and the SC2 board can be interconnected on OptiX OSN 6800
It is not recommended that the ST2 and SC2 boards be interconnected because they have different rates and encoding formats (CIM used by the SC2 board and FEC used by the ST2 board). The SC1 and SC2 boards use the same rate and encoding format and therefore can be interconnected.

Whether an ST2 board intended for an OSN 8800 subrack can be installed in an OSN 6800 subrack
An ST2 board intended for OSN 8800 can be used in an OSN 6800 subrack. To use the clock function of an ST2 board, the ST2 board must be inserted to the subrack equipped with clock boards.

Whether the ST2 boards intended for OSN 8800 devices can be installed in OSN 6800 subracks
The ST2 boards intended for OSN 8800 devices can be installed in OSN 6800 subracks. To use the clock function of the ST2 boards, the ST2 boards must be installed in subracks that are equipped with clock boards.

Interconnections between SC2 boards and similar boards of other vendors
SC2 boards support transparent transmission of DCC bytes and do not support interconnection. The rate and code of monitoring signals on an SC2 board are 16M and CMI respectively.

Whether SC2 boards can be connected to boards of other vendors
SC2 boards support transparent transmission of DCC bytes and do not support interconnection with boards of other vendors. The rate and code of monitoring signals on an SC2 board are 16M and CMI respectively.

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