D-Link DNR-2020-04P User Manual - Page 42

DI and DO, For Digital Inputs 1-4, Example, For Digital Output, Event Settings

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Section 3 - Configuration DI and DO The DI and DO page lets you manage four Digital Input (DI) and one Digital Output (DO) devices connected to your NVR. It shows you the DI/DO mapping and the current state of the device (Normally Closed (NC), Normally Open(NO), or OFF). For Digital Inputs 1-4: When a DI is set to Normally Closed (N.C.), the normal state of the circuit is closed to ground. In this scenario, events are triggered when the circuit is opened, which then changes the status of the device to Open. Example: The magnetic contacts on a window sensor that are broken during a break-in will trigger an event. When a DI is set to Normally Open (N.O.), the normal state of the circuit is open. In this status, events are triggered when the circuit is closed to ground, which then changes the status to Closed. Example: A DI light switch that is turned on during off hours may close the circuit and trigger an event. For Digital Output: • OFF indicates that the device is inactive and has not been triggered. • ON indicates that the device is currently triggered. Please go to the Event Settings on page 39 to select Digital Output as the action and select the events that can act as triggers. Click Save once you are done configuring your devices. D-Link DNR-2020-04P User Manual 38

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38
D-Link DNR-2020-04P User Manual
Section 3 - Configuration
DI and DO
The DI and DO page lets you manage four Digital Input (DI) and one Digital
Output (DO) devices connected to your NVR. It shows you the DI/DO
mapping and the current state of the device (Normally Closed (NC), Normally
Open(NO), or OFF).
For Digital Inputs 1-4:
When a DI is set to Normally Closed (N.C.), the normal state of the circuit is
closed to ground. In this scenario, events are triggered when the circuit is
opened, which then changes the status of the device to Open.
Example:
The magnetic contacts on a window sensor that are broken during
a break-in will trigger an event.
When a DI is set to Normally Open (N.O.), the normal state of the circuit is
open. In this status, events are triggered when the circuit is closed to ground,
which then changes the status to Closed.
Example:
A DI light switch that is turned on during off hours may close the
circuit and trigger an event.
For Digital Output:
• OFF
indicates that the device is inactive and has not been triggered.
• ON
indicates that the device is currently triggered.
Please go to the
Event Settings
on page 39 to select Digital Output as
the action and select the events that can act as triggers.
Click
Save
once you are done configuring your devices.