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DSL Types!
DSL Type |
Max Speed RX |
Max Speed TX |
ADSL |
9 Mbps |
800Kbps |
BDSL |
See VDSL |
See VDSL |
CDSL |
1Mbps |
<1Mbps |
HDSL |
1.544Mbps |
1.544Mbps |
IDSL |
155Kbps |
155Kbps |
RADSL |
See ADSL |
See ADSL |
SDSL |
1.168Mbps |
1.168Mbps |
UDLS |
No Standard |
No Standard |
VDSL (asymmetric) |
52.8Mbps |
6.4Mbps |
VDSL (symmetric) |
34Mpbs |
34Mbps |
VADSL |
See VDSL asymmetric |
See VDSL asymmetric |
G.Lite |
1.536Mbps |
512 Kbps |
- ADSL: Asymmetric DSL. Runs over normal phone lines simultaneously
with normal phone. Has different speeds up and down(asymmetric)
- BDSL: An uncommon name for VDSL
- CDSL: Consumer DSL. A type of ADSL standard proposed by Rockwell
that does not use CAP or DMT
- HDSL: High speed SDSL. Similar to point to point T1. Faster
implementation of SDSL
- IDSL: Uses ISDN signaling over normal phone line hence the
144 Kbps restriction
- RADSL: Rate Adaptive ADSL. ADSL implementation where the
DSL modems auto-negotiate the highest possible speed on the line
- SDSL: Symmetric DSL. Runs over normal phone lines but cannot
use phone while connected. Same speed up and down(symmetric)
- UDSL: Unidirectional HDSL as proposed by a company in Europe.
Also stands for Universal DSL as proposed by Compaq, Intel and Microsoft
- VDSL: Very high speed DSL. Can run both symmetric and asymmetric
- VADSL: Very high speed ADSL. The asymmetric part of VDSL
- xDSL: A generic term for DSL
- G.Lite: A new form of "plug and play" DSL being
developed
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