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 E3s are in an E4?
An E4 carries 4 E3s, per ITU-T G.702.
4
E3s in an E4
Working
E4 → 4 × E3
- 4 × E3 in each E4 ITU-T G.702Four E3s.
- 4 E3s
Leftover capacity
1.792 Mbit/s of each E4 line rate (139.264 Mbit/s) sits outside 4 × 34.368 Mbit/s of E3 line rate (137.472 Mbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
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