OC-3 STS-3
OC-3, also called STS-3, is the 155.520 Mbit/s SONET carrier, the same line rate as an SDH STM-1. Channelized, it is three STS-1s: 84 DS1s or 3 DS3s. Dividing the line rates suggests about 100 DS1s; the virtual-tributary mapping carries 84.
- Family
- SONET
- Line rate
- 155.520 Mbit/s155,520,000 bit/s
- Payload rate
- 150.336 Mbit/s150,336,000 bit/s
- Standard
- Telcordia GR-253
Same line rate as STM-1.
Contains breakdown, down to DS0 · Open in the converter
Direct mappings
| Contains | Count | Mapping | Source | Note |
|---|---|---|---|---|
| 3 OC-1s | 3 | Tributary | Telcordia GR-253 | 3 × OC-1 (STS-1). Channelized OC-3 is 3 STS-1s. |