Section 5: Interface Specifications
5.13 DRIVER PROTOCOL
This transmission protocol responds the status from the printer by using Enquire commands from the host to check the printer status.
The status is immediately responded after the Enquire command has been received.
When using this protocol, the receive buffer should be set to
Pin Assignments
1) |
|
| 2) |
|
| ||
Printer |
| Host | Printer |
| Host | ||
FG | 1 | 1 | FG | FG | 1 |
|
|
SD | 2 | 3 | RD | SD | 2 | 2 | RD |
RD | 3 | 2 | SD | RD | 3 | 3 | SD |
RS | 4 | 5 | CS | RS | 4 | 8 | CS |
CS | 5 | 4 | RS | CS | 5 | 7 | RS |
DR | 6 | 20 | ER | DR | 6 | 4 | ER |
SG | 7 | 7 | SG | SG | 7 | 5 | SG |
ER | 20 | 6 | DR | ER | 20 | 6 | DR |
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 |
|
|
|
|
Page | GT Series Operator’s Manual |
