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 DS3s are in a STM-16?
A STM-16 carries 48 DS3s, per ITU-T G.707.
48
DS3s in a STM-16
Working
STM-16 → 16 × STM-1 → 3 × DS3
- 16 × STM-1 in each STM-16 ITU-T G.70716 × STM-1.
- 3 × DS3 in each STM-1 ITU-T G.707Three VC-3s, each able to carry a DS3.
- 16 STM-1s
- 16 × 3 = 48 DS3s
Leftover capacity
340.992 Mbit/s of each STM-16 line rate (2.488320 Gbit/s) sits outside 48 × 44.736 Mbit/s of DS3 line rate (2.147328 Gbit/s). That remainder is overhead, fixed stuff or justification. It is not another whole tributary.
By bit rate only
Dividing the line rates gives 55.62, which floors to 55 DS3s by bit rate only. The standard mapping is 48. Use the mapping.
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