Calculation method of the SDH lower-order cross-connect capacity

Calculation method of the SDH lower-order cross-connect capacity:
For example, if the queried VC-12 quantity of lower-order cross-connections is 2016, how do I calculate the lower-order cross-connect capacity?
First, convert the VC-12 quantity to the VC-4 quantity. As one VC-4 contains 63 VC-12s, the VC-4 quantity is 32 (2016/63). Second, calculate the capacity. As the capacity of 64 VC-4s is 10 Gbit/s, the capacity of 32 VC-4s is 5 Gbit/s.

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