serial interface cable for Epson Thermal/Impact Receipt Printer Cable Pinouts
9 pin D-SUB male connector to
the Computer
25 pin D-SUB female
connector to the Printer
| 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 |