Profiles
The standard defines a wide range of profiles that can be used in different VDSL deployment architectures; in the central office, in the cabinet or in the building for example.
| Profile | Bandwidth (MHz) | Number of carriers | Carrier bandwidth (kHz) | Power (dBm) | Max. downstream throughput (Mbit/s) |
|---|---|---|---|---|---|
| 8a | 8.832 | 2048 | 4.3125 | +17.5 | 50 |
| 8b | 8.832 | 2048 | 4.3125 | +20.5 | 50 |
| 8c | 8.5 | 1972 | 4.3125 | +11.5 | 50 |
| 8d | 8.832 | 2048 | 4.3125 | +14.5 | 50 |
| 12a | 12 | 2783 | 4.3125 | +14.5 | 68 |
| 12b | 12 | 2783 | 4.3125 | +14.5 | 68 |
| 17a | 17.664 | 4096 | 4.3125 | +14.5 | 100 |
| 30a | 30 | 3479 | 8.625 | +14.5 | 200 |
Read more about this topic: Very High Speed Digital Subscriber Line 2
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