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: R.57 (11/88) |
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| 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 equipment
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Recommendation R.57 (11/88)
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Approved in 1988-11-25
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Status : In force
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Access : Freely available items
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Available languages and formats :
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Format |
Size |
Posted |
Article Number |
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| English |
 PDF (acrobat)
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52551 bytes |
1990-04-19 |
E 15295 |
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| Español |
PDF (acrobat)
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58613 bytes |
1990-04-19 |
S 15295 |
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| Français |
PDF (acrobat)
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59329 bytes |
1990-04-19 |
F 15295 |
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Available languages and formats :
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Word 