This page displays all monitored devices. Update devices by clicking the appropriate link. Use the 'Info' link to add information and comments to this device. Select a specific host from the 'Host:' drop-down to display devices monitored by this host only.
A device can be marked On/Off/Off if the device is active (first value) but the device category has never been checked in 'Maintain Hosts' (second value) and the Agent is not running (third value) .