In my work I’ve dealt with a huge variety of different transmission protocols and they all have different characteristic carrying capacities (typically called bandwidth). At one point I made this table, just to help me keep track of them all.
| Service | Full Name | Bandwidth in Mbit/sec | |
| Download | Upload | ||
| V.90 | CCITT Specification V.90 | .056
| |
| ISDN | Integrated System Digital Subscriber | .064
| |
| _DSL | Digital Subscriber Line | ||
|
IDSL
|
ISDN-like DSL
| .144
| .144
|
|
ADSL Lite (G.lite)
|
Asynchronous DSL Lite
| 1
| .128
|
|
SDSL
|
Symmetric DSL
| 1.1
| 1.1
|
|
UDSL
|
Universal DSL
| 2
| 2
|
|
ADSL
|
Asynchronous DSL
| 9
| 1
|
|
RADSL
|
Rate-Adaptive DSL
| 12
| 1
|
|
VDSL
|
Very-High-Speed DSL (Requires Fibre)
| 52
| 2.3
|
| T1 | Trunk line Type 1(24 x 64 Kbits/sec) | 1.544
| |
| E1 | European Trunk (32 x 64 Kbits/sec) | 2.048
| |
| T3 | Trunk line Type 3 | 45
| |
| OC-n | Optical Carrier | n * OC-1
| |
| OC-1 | OC Level 1 | 51.84
| |
| OC-3 | OC Level 3 | 155.52
| |
| OC-12 | OC Level 12 | 622.08
| |
| OC-24 | OC Level 24 | 1,244.16
| |
| OC-48 | OC Level 48 | 2,488.28
| |
| OC-192 | OC Level 192 | 9,953.28
| |
| STS-n | Synchronous Transport Signal | OC-n
| |
| STM-n | Synchronous Transport Module | n * OC-3
| |
| STM-1 | STM Level 1 | 155.52
| |
| STM-2 | STM Level 2 | 311.04
| |