I am trying to set up a digital input trigger for a D-Link DCS-2230 IP camera and am not sure how to interpret the DI/DO schematics on page 58 of the following PDF manual:
According to the schematics, the digital input (DI) is to be applied to pin 2 that has the note: "A switch from DI to DC 5 V, activated by setting NO, or NC."
The type of DI (whether NO or NC) is set by the cam's software, as shown on pg. 48 of the same manual.
Then on the bottom of pg. 58 there are two schematics for "Internal 5V Power" and "External 3-12 V Power."
Could somebody just cut through the fog here and tell me what two pins I need to connect to an external relay and whether that relay needs to do just a close or open (based on the cam's NO/NC setting) or whether that relays should actually apply some low voltage to the pins of the cam? This schematics is a bit over my head, I'm afraid. Thanks.