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 E1s are in an E2?
An E2 carries 4 E1s, per ITU-T G.702.
4
E1s in an E2
Working
E2 → 4 × E1
- 4 × E1 in each E2 ITU-T G.702Four E1s.
- 4 E1s
Leftover capacity
256 kbit/s of each E2 line rate (8.448 Mbit/s) sits outside 4 × 2.048 Mbit/s of E1 line rate (8.192 Mbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
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