Maximum number of slave subracks that can be connected to the master subrack of OSN 6800 during TN11SCC board expansion

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At most eight optical subracks or four electrical subracks can be connected. One OSN 8800 T32 subrack is equivalent to two OSN 6800 subracks.

Other related questions:
Maximum number of slave subracks that the TN11SCC board on OSN 6800 supports during capacity expansion
No more than eight optical subracks, four electrical subracks, or eight optical and electrical subracks totally (no more than four electrical subracks). One OSN 8800 T32 subrack is equivalent to two OSN 6800 subracks. 1. The subrack quantity refers to the number of equivalent subracks. One OSN 6800 subrack is an equivalent subrack. 2. An electrical subrack is used to house cross-connect boards, OTU boards, tributary boards, line boards, and protection boards. For example, universal platform subracks and platform subracks are regarded as electrical subracks if they house only OTU boards (not in regeneration mode). Optical-electrical subracks are regarded as electrical subracks. 3. An optical subrack is used to house OADM boards, multiplexer boards, demultiplexer boards, optical amplifier boards, OSC boards, optical spectrum analyzer boards, regeneration boards, OLP boards (used in optical line protection), and OTU boards (in regeneration mode). For example, a subrack housing only protection boards is regarded as an optical subrack.

Specifications for slave subrack expansion on the master subrack of OSN 8800 T32
The TN52SCC board supports a total of 20 optical and electrical subracks, containing four or less electrical subracks. The TN51SCC board supports a total of eight optical and electrical subracks, containing four or less electrical subracks. The subracks run in master/slave mode. The number of subracks here indicates the number of equivalent subracks. One OSN 6800 subrack equals to one equivalent subrack, and one OSN 8800 T32 subrack equals to two equivalent subracks.

Whether TN52SCC can be used as the system control board in a slave subrack when the master subrack of the OSN 6800 uses TN11SCC as the system control board
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.

Whether the master subrack of an OSN 9800 can be connected to an optical-layer slave subrack
Optical-layer slave subracks cannot be connected to the OSN 9800.

Changing OSN 1800 independent subracks to master/slave subracks
Associating a logical master subrack with a physical subrack: After creating an NE on the NMS and uploading NE data, associate the logical master subrack with a physical subrack. Adding logical slave subracks: Based on the ID information of slave subracks in the actual networking, add logical slave subracks. Associating logical slave subracks with physical slave subracks: Based on the networking status, associate logical slave subracks with master slave subracks to establish the mapping between the subracks.

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