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-4s are in an ODU2?
An ODU2 carries 16 STM-4s, per ITU-T G.709 and ITU-T G.707. This path maps STM-64 into ODU2 as a client, then follows that client's tributaries.
16
STM-4s in an ODU2
Working
ODU2 → 1 × STM-64 → 16 × STM-4
- 1 × STM-64 in each ODU2 ITU-T G.709Client mappingCBR STM-64 mapped into OPU2.
- 16 × STM-4 in each STM-64 ITU-T G.70716 × STM-4.
- 1 STM-64
- 1 × 16 = 16 STM-4s
Leftover capacity
83.993924 Mbit/s of each ODU2 line rate (10.037273924 Gbit/s) sits outside 16 × 622.080 Mbit/s of STM-4 line rate (9.953280 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
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