6.2 Connector Pin Assignment
Pin |
| Signal Name | Signal Direction | Function |
| TTL | |
|
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|
|
|
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|
| |
1 | FG |
| Frame ground | O |
| ||
7 | GND |
| Signal ground | O |
| ||
2 | TD | ← | Transmit data | O |
| ||
3 | RD | → | Receive data | O |
| ||
20 |
| DTR | ← | Printer BUSY signal | O |
| |
23 |
|
|
| → | TTL Reset signal *1 |
| O |
RESET (L) |
| ||||||
25 |
| RESET | → | Reset signal *1 | O |
|
*1: Enable/Disable of RESET signal can be selected by DIP switch No. 3.
In addition, changing the internal resistance allows selection of pin 23/pin 25. In Factory setting, pin 23 (TTL Reset) is set.
Note: 1. Signals for
Applicable connector
Printer side:
Cable side:
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