DSR—Operating Status
The host requests the terminal's operating status.
Format
| Exchange | Sequence | Meaning |
|---|---|---|
| Request (Host to terminal) |
CSI 5 n | The host requests the terminal's operating status. The host asks if the terminal is in good operating condition. |
| Responses (Terminal to host) |
CSI 0 n | The terminal indicates that it is in good operating condition. |
| or | ||
| CSI 3 n | The terminal indicates that it has a malfunction. |