Common Bandwidth Designations
| Designation | Speed |
| OC-3072, STM-1024 | 160 | Gbps |
| OC-1536, STM-512 | 80 | Gbps |
| OC-768, STM-256 | 40 | Gbps |
| OC-256 | 13.21 | Gbps |
| OC-192, STM-64 | 10 | Gbps |
| OC-96 | 4.976 | Gbps |
| OC-48, STM-16 | 2.488 | Gbps |
| OC-36 | 1.866 | Gbps |
| OC-24 | 1.244 | Gbps |
| OC-18 | 933.12 | Mbps |
| OC-12, STM-4 | 622.08 | Mbps |
| OC-9 | 466.56 | Mbps |
| OC-3 | 155.52 | Mbps |
| OC-1, STM-1 | 51.84 | Mbps |
| T-3, DS-3 | 44.736 | Mbps |
| E-3 | 34.368 | Mbps |
| E-2 | 8.448 | Mbps |
| T-2, DS-2 | 6.312 | Mbps |
| E-1, DS-1 Europe | 2.048 | Mbps |
| T-1, DS-1 North America | 1.544 | Mbps |
| ISDN | 128 | Kbps |
| DS-0 | 64 | Kbps |
| V.92 | 56 | Kbps |
| V.34bis | 33.6 | Kbps |
| V.34 | 28.8 | Kbps |
| V.32bis | 14.4 | Kbps |
| V.32 | 9600 | bps |
| V.22bis | 2400 | bps |