D-Link DCS-2102 User Manual - Page 57
DI/DO Input specifications
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DI/DO Input specifications DO Digital Output: Normal: open circuit Trigger: short circuit After powering on or rebooting the DCS-2121, the camera will be in Normal mode by default. DI Digital Input: Normal: no current Trigger: 12V current As the Digital Input signal is controlled by an external device, we recommend that you set your device to feed no current normally, and feed a 12V current only to trigger a DI event on the DCS-2121. 54
54
DI/DO Input specifications
DO Digital Output:
±
Normal: open circuit
±
Trigger: short circuit
After powering on or rebooting the DCS-2121, the camera will be in Normal mode by default.
DI Digital Input:
±
Normal: no current
±
Trigger: 12V current
As the Digital Input signal is controlled by an external device, we recommend that you set your device to feed no current normally, and feed a 12V current only to
trigger a DI event on the DCS-2121.