Section 5: Interface Specifications
5.10 X-ON/X-OFF
This transmission protocol informs the host if the printer can receive data or not, by sending the "XON" (Hex 11H) or "XOFF" (Hex 13H) code.
Data received cannot be guaranteed, when print data (ESC+"A"~ESC+"Z") is sent from the host, under the following conditions:
1)When the printer is Offline
2)When an error has occurred in the printer
Pin Assignments
1) |
|
| 2) |
| ||
Printer |
| Host | Printer | Host | ||
FG | 1 | 1 | FG | FG | 1 |
|
SD | 2 | 3 | RD | SD | 2 | 2 |
RD | 3 | 2 | SD | RD | 3 | 3 |
RS | 4 | 5 | CS | RS | 4 | 8 |
CS | 5 | 4 | RS | CS | 5 | 7 |
DR | 6 | 20 | ER | DR | 6 | 4 |
SG | 7 | 7 | SG | SG | 7 | 5 |
ER | 20 | 8 | DR | ER | 20 | 6 |
Caution!
In the connections, it may be necessary to loop (usually kept "High) CS and RS on the host side depending on the type of host. Therefore, make sure to
Input/Output Signals
Pin no. | Signal Type | Direction | Contents |
|
|
|
|
1 | FG | - | Frame Ground |
|
|
|
|
2 | SD | Output | Send Data |
|
|
|
|
3 | RD | Input | Receive Data |
|
|
|
|
7 | SG | - | Signal Ground |
|
|
|
|
GT Series Operator’s Manual | Page |