| Requests from host | Reports to host | ||
| ESC[5n | Status | ESC[0n | Terminal OK |
| ESC[3n | * Terminal not OK | ||
| ESC[6n | Cursor pos. | ESC[Pl;PcR | Cursor position |
| ESC[c | What are you? | ESC[?1;Psc | VT100, Ps options |
| ESC[0c | ESC[?6;Psc | VT102, Ps options | |
| ESCZ | ESC[?62;Psc | VT200, Ps options | |
| ESC[?15n | Printer status | ESC[?10n | Printer ready |
| ESC[?11n | Printer not ready | ||
| ESC[?13n | No printer | ||
1234123456789123456789 ESC[0x Send terminal parameter report after setup
ESC[1x Send only on request