Quantity is how many containers you have. The result is how many tributaries fit, the path, and the leftover line rate. The choices stay in the URL, so you can share them.
Result: standard mapping
How many STM-64s are in an ODU3?
An ODU3 carries 4 STM-64s, per ITU-T G.709 and ITU-T G.707. This path maps STM-256 into ODU3 as a client, then follows that client's tributaries.
4
STM-64s in an ODU3
Working
ODU3 → 1 × STM-256 → 4 × STM-64
- 1 × STM-256 in each ODU3 ITU-T G.709Client mappingCBR STM-256 mapped into OPU3.
- 4 × STM-64 in each STM-256 ITU-T G.7074 × STM-64.
- 1 STM-256
- 1 × 4 = 4 STM-64s
Leftover capacity
506.098983 Mbit/s of each ODU3 line rate (40.319218983 Gbit/s) sits outside 4 × 9.953280 Gbit/s of STM-64 line rate (39.813120 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
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