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Step 3 Set the device up, match HDD screw threads with the reserved holes on the device bottom,
and fix HDD with screws.
Step 4 (Optional) Repeat the steps above to install other HDDs.
Step 5 Reinstall the device cover and fasten screws.
2.3 Connections
2.3.1 Alarm Input Wiring
The alarm input is an open/closed relay. To connect the alarm input to the device, use the
following diagram.
If the alarm input is not an open/close relay, connect an external relay between the alarm input
and the device.
Network Video Recorder Quick Start Guide
Figure 2-5 Connect Cables
Figure 2-6 Fix HDD to Device Bottom
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