Abus eyseo. TV7230 Instructions D'installation page 199

Query status of the digital output
Note: This request requires the privilege of viewer. Method: GET/POST
Syntax:
http://<servername>/cgi-bin/dido/getdo.cgi?[do0][&do1][&do2][&do3]
If no parameter is specified, all the status of digital output will be returned.
Return:
HTTP/1.0 200 OK\r\n Content-Type: text/plain\r\n Content-Length: <length>\r\n \r\n [do0=<state>]\r\n
[do1=<state>]\r\n [do2=<state>]\r\n [do3=<state>]\r\n
where <state> can be 0 or 1.
Example: Query the status of digital output 1
62