HIKVISION DS-DM0710BL, Manual

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Installation -> Terminal Wire Connection
1. GND is the common interface
for RS-485, exit button, and
door contact sensor.
2. If exit reader, touchless exit
button, security unit, or lock is
used, need to arrange a power
adapter which can give
enough power output for all of
the devices.
3. Please ensure that the
equipment is powered off
during the installation and
wiring.