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 OTU2?
An OTU2 carries 1 STM-64, per ITU-T G.709. This is a client mapping of STM-64 into ODU2.
1
STM-64 in an OTU2
Working
OTU2 → 1 × ODU2 → 1 × STM-64
- 1 × ODU2 in each OTU2 ITU-T G.709The OTU2 frame carries exactly one ODU2.
- 1 × STM-64 in each ODU2 ITU-T G.709Client mappingCBR STM-64 mapped into OPU2.
- 1 ODU2
- 1 × 1 = 1 STM-64
Leftover capacity
755.945316 Mbit/s of each OTU2 line rate (10.709225316 Gbit/s) sits outside 1 × 9.953280 Gbit/s of STM-64 line rate (9.953280 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
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