Result: standard mapping
How many OC-768s are in an ODU3?
An ODU3 carries 1 OC-768, per ITU-T G.709. This is a client mapping of OC-768 into ODU3.
1
OC-768 in an ODU3
Working
ODU3 → 1 × OC-768
- 1 × OC-768 in each ODU3 ITU-T G.709Client mappingCBR OC-768, the same client rate as STM-256, mapped into OPU3.
- 1 OC-768
Leftover capacity
506.098983 Mbit/s of each ODU3 line rate (40.319218983 Gbit/s) sits outside 1 × 39.813120 Gbit/s of OC-768 line rate (39.813120 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.