Appendix D — Interfaces
RS-232 Serial Interface
Protocol
Default Setup
Baud rate | 9600 |
Character length | 8 bits |
Parity | None |
Stop bits | 1 |
Handshaking | XON/XOFF and RTS/CTS |
To change the Serial settings, see Chapter 5, “Configuring Setup”.
Interface cable
The computer end of the cable depends on the computer model. The printer end is a
1 2 3 4 5
6 7 8 9
Signals on the printer’s serial port:
| Signal | Meaning |
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1 |
| External +5V DC Max 500mA |
2 | TXD | Transmit data |
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3 | RXD | Receive data |
4 |
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5 | GND | Ground |
6 |
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7 | CTS | Clear to send |
8 | RTS | Request to send |
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9 |
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76 | EasyCoder PD41 Printer User’s Guide |
