Installation Guide
DS-72xx Series DVR
Hikvision EURO, Inc. DS-72xx Series Embedded Net DVR Installation Guide and Quick Start Guide
14
Peripheral Connections
Connecting to Alarm Input/Output Device
The alarm input/output interface of the DVR is shown below (taking DS-7204HVI-ST model as example):
The alarm input is an open/closed relay. If the input is not an open/closed relay, follow the connection diagram below:
To connect to an AC/DC load, use the following diagram:
For DC load, JP4 can be used within the limit of 12V/1A safely. If the interface is connected to an AC load, JP4 should be left
open. Use an external relay for safety (as shown in the figure above).