connector or cable wiring Used on the DYMO/CoStar LabelWriter thermal printers that connect through RS-232.
6 pin RJ12 (6P6C) male
connector to the LabelWriter
9 pin D-SUB female
connector to the computer
| LabelWriter Name | LabelWriter Pin | Direction | computer Pin | computer Name | Description |
|---|---|---|---|---|---|
| CTS | 1 | → | 8 | CTS | Clear to send |
| TXD | 2 | ← | 3 | TXD | Transmit (to LabelWriter) |
| RXD | 3 | → | 2 | RXD | Receive (from LabelWriter) |
| GND | 4 | — | 5 | GND | Ground |
| RTS | 5 | ← | 7 | RTS | Request to send |
| DSR | 6 | → | 6 | DSR | Data set ready |
Notes
- This pinout comes from the cable that came with a CoStar LabelWriter XL Plus, tested with a multimeter.