224
Serial interfaceNOTE: In the table below, “I/O” denotes the input/output when seen from the server.
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Pin number | Signal name |
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| Meaning | I/O | ||
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1 | DTR |
| Data Terminal Ready |
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2 | DSR |
| Data Set Ready | I | ||||
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3 | TXD |
| Transmit Data | O | ||||
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4 | RTS |
| Request To Send | O | ||||
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5 | RXD |
| Receive Data | I | ||||
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6 | CTS |
| Clear To Send | I | ||||
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7 | CD |
| Receive Carrier Detect | I | ||||
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8 | CI |
| Call Indicator | I | ||||
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Shield | GND |
| Signal Ground |
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| 8 | 7 | 6 |
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| 4 | 3 |
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| 2 | 1 |
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After converting cable |
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Pin number | Signal name |
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| Meaning | I/O | ||
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1 | CD |
| Receive Carrier Detect | I | ||||
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2 | RXD |
| Receive Data | I | ||||
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3 | TXD |
| Transmit Data | O | ||||
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4 | DTR |
| Data Terminal Ready |
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5 | GND |
| Signal Ground |
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6 | DSR |
| Data Set Ready | I | ||||
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