Whether the system control boards for the OSN 9800 U64/U32 support active/standby redundancy

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The clock processing function is integrated into the system control boards for the OSN 9800, and the boards are renamed communication control and clock processing boards. Active and standby system control boards are available for the OSN 9800.

Other related questions:
Relationship between the NMS port and the active and standby system control boards on an OSN 9800
A switchover between the active and standby system control boards does not affect the communication of the NMS port.

Relationship between the NM port and the active and standby system control boards of OSN9800
Switching between the active and standby system control boards does not affect the communication on the NM port.

Cabinets for installing OptiX OSN 9800 U64 subracks
The OptiX OSN 9800 U64 subrack is integrated in a cabinet, which has the same dimensions as an N66B cabinet. It cannot be installed in other cabinets.

PIU backup rule of an OSN 9800 U64 subrack
PIU boards in an OSN 9800 U64 subrack are configured as follows: PIU boards on the front and rear sides (installed back-to-back) are in mutual backup. For example, PIU boards in the IU100 and IU121 slots are in mutual backup, and PIU boards in IU101 and IU120 slots are in mutual backup.

Whether there is a difference between the front and rear sides of the OSN 9800 U64
The front and rear sides of the OSN 9800 U64 have same service slots, PIU slots, cross-connect board slots, and fan slots. The differences are that there are no EFI and CTU boards on the rear side.

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