Communication
Pin No. | Signal | DTE Direction | Description |
|
|
|
|
1 | Chassis ground | - | Cable shield |
2 | (TD) Transmitted | From printer | Printer data output line |
| data |
|
|
3 | (RD) Received data | To printer | Printer data input line |
7 | (SG) Signal | - | Signal ground |
11 | (CTS) Clear to send | From printer | Signal (equivalent to |
|
|
| BUSY) indicating that |
|
|
| printer is ready for |
|
|
| operation and can |
|
|
| receive data. |
|
|
|
|
|
|
|
|
The rest are not used.
16
