Epson Serial/RS-232 Cable DB9 to DB25 Cable Pinout -
| Computer Name | Computer Pin | Direction | Printer Pin | Printer Name | Description |
|---|---|---|---|---|---|
| RXD | 2 | <-- | 2 | ||
| TXD | 3 | --> | 3 | ||
| DTR | 4 | 6 | |||
| Ground | 5 | <--> | 7 | ||
| DSR | 6 | 20 | |||
| LOOP | 7,8 | --- | |||
| --- | 4,5 | LOOP |
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