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MAPPING PINS BETWEEN 25 & 9 PIN CONNECTORS
Correspondence between 9 and 25 pin connector pins and common (not
official) signal names:
+------------------------------------------------+
| 9 pin 25 pin | 25 pin 9 pin |
------------------------+------------------------|
| 1 CD 8 | 2 TD 3 |
| 2 RD 3 | 3 RD 2 |
| 3 TD 2 | 4 RTS 7 |
| 4 DTR 20 | 5 CTS 8 |
| 5 sig. grnd. 7 | 6 DSR 6 |
| 6 DSR 6 | 7 sig. grnd. 5 |
| 7 RTS 4 | 8 CD 1 |
| 8 CTS 5 | 20 DTR 4 |
| 9 RI 22 | 22 RI 9 |
+------------------------------------------------+
See Also:
true cables
pins
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Written by Dave Pearson