131
Pin | Signal | Direction |
| Function |
No. | Name |
| ||
|
|
|
|
|
25 | INIT | IN | • DIP Switch 10 | = OFF |
|
|
| This signal not used. | |
|
|
|
|
|
|
|
| • DIP Switch 10 | = ON |
|
|
| This signal becomes reset signal. Printer is reset whenever signal is in mark state with | |
|
|
| pulse width of 1mS or more. | |
|
|
|
|
|
13 | 1 |
25 | 14 |
APPENDIX
Interface Connections (Serial Interface)
Refer to the interface specifications of the host for details on connecting to its interface connector. The following illustration shows a typical connection configuration.
| Printer side |
| IBM PC side |
|
| 25 pin | 9 pin |
| |
1 | 1 |
| ||
TXD | 2 | 2 | 3 | TXD |
RXD | 3 | 3 | 2 | RXD |
RTS | 4 | 4 | 7 | RTS |
|
| 5 | 8 | CTS |
DSR | 6 | 6 | 6 | DSR |
7 | 7 | 5 | ||
DTR | 20 | 8 | 1 | DCD |
INIT | 25 | 20 | 4 | DTR |
