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 E0s are in an E1?
An E1 carries 30 E0s, per ITU-T G.704.
30
E0s in an E1
Working
E1 → 30 × E0
- 30 × E0 in each E1 ITU-T G.70430 voice channels in 32 timeslots. TS0 is framing and TS16 is channel-associated signalling.
- 30 E0s
Leftover capacity
128 kbit/s of each E1 line rate (2.048 Mbit/s) sits outside 30 × 64 kbit/s of E0 line rate (1.920 Mbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
By bit rate only
Dividing the line rates gives 32, which floors to 32 E0s by bit rate only. The standard mapping is 30. Use the mapping.
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