Help on 'SITEMONITER'
Digital: This shows the current status of the Input/Output Port. This is a low voltage interface which can be set high or low. This interface may be used for Inputalarms (Smokedetector, Firealarm, Intruder Alarm, Aircondition Failure etc.) or as Outputalarm (Activation of external devices like Fire Extinguisher, etc.)
Green: This defines that this port is actually HIGH.
Red: This defines that this port is actually LOW.
Blue: This defines that this port is actually not active.
Yellow: This shows that this port is in an undefined status - Error.
For more information - see user manual of your CS121.