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.