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ITU-T R.57
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ITU-T R.57
Standard limits of transmission quality for planning code-independent international point-to-point telegraph communications and switched networks using 50-baud start-stop equipmentMore info
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.020 : Telecommunications in general
|
| Number of pages | 2 |
| Year | 1980 |
| Document history | |
| Country | Switzerland |
| Keyword | CCITT R.57;ITU-T 57;57 |