IX20 serial port connector
The IX20 is a DTE serial device capable of supporting the RS-232 electrical signaling mode.
Pinout schematic and pin functions
| DB9 pin number | Signal name | RS232 signal | Direction | |
|---|---|---|---|---|
| DTE | DCE | |||
| 1 | Data Carrier Detect | DCD | In | Out |
| 2 | Receive Data | RxD | In | Out |
| 3 | Transmit Data | TxD | Out | In |
| 4 | Data Terminal Ready | DTR | Out | In |
| 5 | Ground | GND | N/A | N/A |
| 6 | Data Set Ready | DSR | In | Out |
| 7 | Ready To Send | RTS | Out | In |
| 8 | Clear to Send | CTS | In | Out |
| 9 |
Ring Indicate |
RI | In | Out |
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