DS1 T1
DS1, also called T1, is the 1.544 Mbit/s primary rate. Each frame is 193 bits: 24 DS0 payload bytes and one framing bit, 8,000 frames per second.
- Family
- T-carrier
- Line rate
- 1.544 Mbit/s1,544,000 bit/s
- Payload rate
- 1.536 Mbit/s1,536,000 bit/s
- Standard
- ANSI T1.107
Contains breakdown, down to DS0 · Open in the converter
Direct mappings
| Contains | Count | Mapping | Source | Note |
|---|---|---|---|---|
| 24 DS0s | 24 | Tributary | ANSI T1.107 | 24 payload timeslots. The framing bit adds 8 kbit/s and brings the line rate to 1.544 Mbit/s. |