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 OC-12s are in an OC-768?
An OC-768 carries 64 OC-12s, per Telcordia GR-253.
64
OC-12s in an OC-768
Working
OC-768 → 64 × OC-12
- 64 × OC-12 in each OC-768 Telcordia GR-25364 × OC-12. Channelized OC-768 is 768 STS-1s.
- 64 OC-12s
Leftover capacity
0 bit/s of each OC-768 line rate (39.813120 Gbit/s) sits outside 64 × 622.080 Mbit/s of OC-12 line rate (39.813120 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
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