The 52SCC board can substitute for the 51SCC board in the versions later than 5.51.5.35, but they cannot mutually back up each other for a long period of time.
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.
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.
If the software version of TN11SCC is later than 5.35 in the master subrack of the OSN 6800, TN52SCC can be configured in a slave subrack. To ensure automatic software synchronization, ensure that the TN11SCC software package includes the TN52SCC software package.
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