D-subminiature connector
From Amateur Radio Equipment Database
![]() Male DE-9 connector | |
Type | data connector |
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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 |