Appendix A — Specifications
Communication Interfaces
Serial Interface Connections
Pin | Host - DB9 Socket | Printer - DB9 Plug |
|
| +5V, max 500ma |
1 |
| |
|
| TXD |
2 | RXD | |
3 | TXD | RXD |
|
| N/C |
4 | DTR | |
5 | GND | GND |
|
| RTS |
6 | DSR | |
7 | RTS | CTS |
|
| RTS |
8 | CTS | |
9 | RI | N/C |
Note: The total current output from the serial port cannot exceed 500 ma.
Serial Default: 9600 baud, no parity, 8 data bits, 1 stop bit,
XON/XOFF protocol
Setting: RTX/CTS
USB Interface
Pin | Function |
|
|
1 | VBUS |
|
|
2 | D- |
3 | D+ |
|
|
4 | GND |
|
|
Connector Type: B
38 | PF8d/PF8t Printers User’s Guide |