Issue
Where is phone supervision time set and what can it be set to?
Solution
It is either on or off. It is enabled in "phone monitor". Yes (Enables) No (Disables).
* The D7024 sniffs each line every 12 seconds. When a trouble still exists after three samples, 36 seconds, the D7024 sends a Trouble Report and activates the Trouble LED and system trouble relay.
Part numbers FPD-7024, D7024, DS9400, DS9400I, DS9400M,