9 to 5 Pin Adapters
The following table shows the connections inside a standard 9 pin to 25-pin adapter.
|
9-Pin Connector |
25 Pin Connector |
|
Pin 1 DCD |
Pin 8 DCD |
|
Pin 2 RD |
Pin 3 RD |
|
Pin 3 TD |
Pin 2 TD |
|
Pin 4 DTR |
Pin 20 DTR |
|
Pin 5 GND |
Pin 7 GND |
|
Pin 6 DSR |
Pin 6 DSR |
|
Pin 7 RTS |
Pin 4 RTS |
|
Pin 8 CTS |
Pin 5 CTS |
|
Pin 9 RI |
Pin 22 RI |