D-subminiature connector
From Amateur Radio Equipment Database
 Male DE-9 connector | |
| Type | data connector |
|---|---|
A D-subminiature connector is a data connector. the most common is the DE-9 connector used for RS-232 connections.
Common Pinouts
DE9 RS-232
| Diagram | Details | ||
|---|---|---|---|
| ID | name | description | |
| 1 | DCD | Carrier detector | |
| 2 | RX | data to host | |
| 3 | TX | data from host | |
| 4 | DTR | data terminal ready | |
| 5 | GND | common ground | |
| 6 | DSR | Data set ready | |
| 7 | RTS | Request to send | |
| 8 | CTS | Clear to send | |
| 9 | RI | Ring indicator | |
