Insertion of TDM boards into OSN 8800 master/slave subracks

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Not all boards can be inserted to master/slave subracks. Project A in country I is used as an example. In the engineering design phase of this project, there are too many SLH14 fibers. To facilitate fiber maintenance, two SLH41 boards cannot be inserted into adjacent slots and SLH41 boards cannot be inserted in slots at the edge of a subrack.
For services with heavy traffic, SLH41 boards can be installed in two subracks in master/slave mode. According to the feedback from field engineers, no SLH41 board can be queried on the NMS.

There are restrictions on subracks for housing boards that support packet/SDH services.

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