(at the Computer)
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Common names: EIA-449, RS-449, ISO 4902
Secondary (auxilary) channel
(at the Computer)
| Pin | Name | RS232 | V.24 | Dir | Description |
|---|---|---|---|---|---|
| 1 | n/a | 101 |  |
Shield | |
| 2 | SSR | SRR | 122 |  |
Secondary Receiver Ready |
| 3 | SSD | SSD | 118 |  |
Secondary Send Data |
| 4 | SRD | SRD | 119 | |
Secondary Receive Data |
| 5 | SG | SG | 102 | |
Signal Ground |
| 6 | RC | RC | 102b | |
Receive Common |
| 7 | SRS | SRS | 120 | |
Secondary Request To Send |
| 8 | SCS | SCS | 121 | |
Secondary Clear To Send |
| 9 | SC | SC | 102a | |
Send Common |
Note: Direction is DTE (Computer) relative DCE (Modem).
Note: RS232 column is RS232 circuit name.
Note: V.24 column is ITU-TSS V.24 circuit name.
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Кнопочка будет выглядеть вот так (1,516 байт):
