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D-Link DCS-7110 User Manual
Configuration
DI and DO
The camera provides a general I/O terminal block with one digital input and digital output
for device control. The I/O connector provides the physical interface for digital input (DI+,
GND) and digital output (DO-, +12V) that is used for connecting external alarm devices to
the camera such as IR-Sensors and alarm relays.
DI/DO Schematics