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 ODU2s are in an OTU3?
An OTU3 carries 4 ODU2s, per ITU-T G.709.
4
ODU2s in an OTU3
Working
OTU3 → 1 × ODU3 → 4 × ODU2
- 1 × ODU3 in each OTU3 ITU-T G.709The OTU3 frame carries exactly one ODU3.
- 4 × ODU2 in each ODU3 ITU-T G.709Four ODU2s fill the 32 tributary slots of 1.25 Gbit/s.
- 1 ODU3
- 1 × 4 = 4 ODU2s
Leftover capacity
2.869317863 Gbit/s of each OTU3 line rate (43.018413559 Gbit/s) sits outside 4 × 10.037273924 Gbit/s of ODU2 line rate (40.149095696 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
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