Connections; Alarm Input Wiring - HIKVISION DS-7700NXI-I Series Quick Start Manual

1) Connect one end of data cable to the device motherboard.
2) Connect the other end of data cable to HDD.
3) Connect one end of power cable to HDD.
4) Connect the other end of power cable to the device motherboard.
Set the device up, match HDD screw threads with the reserved holes on the device bottom,
and fix HDD with screws.
(Optional) Repeat the steps above to install other HDDs.
Reinstall the device cover and fasten screws.

Connections

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, please connect an external relay between the alarm
input and the device.
Network Video Recorder Quick Start Guide
Fix HDD to Device Bottom
Connect Cables
12