OTU1
OTU1 is the optical transport unit wrapped around one ODU1, 255/238 times the STM-16 rate (about 2.666057 Gbit/s). The gap above the ODU1 rate is OTU overhead and Reed-Solomon FEC.
- Family
- OTN
- Line rate
- 2.666057143 Gbit/s2,666,057,143 bit/s
- Payload rate
- 2.498775126 Gbit/s2,498,775,126 bit/s
- Standard
- ITU-T G.709
Contains breakdown, down to DS0 · Open in the converter
Direct mappings
| Contains | Count | Mapping | Source | Note |
|---|---|---|---|---|
| 1 ODU1 | 1 | Tributary | ITU-T G.709 | The OTU1 frame carries exactly one ODU1. The line-rate gap is OTU overhead and FEC. |
Also reaches
1 OC-481 STM-162 ODU0s4 OC-12s4 STM-4s16 OC-3s16 STM-1s16 E4s48 OC-1s48 DS3s48 E3s192 E2s336 DS2s1,008 E1s1,344 DS1s32,256 DS0s30,240 E0s