NVR-7716P16-
H2 User’s manual (Short) ver.1.0
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9
2.6. Connecting external devices
Connecting audio ports
Audio output signal normally are above 200mV 1k
Ω
. You can connect to it the audio amplifier with
the external speakers.
Connecting USB devices
NVR has 1 x USB 2.0 port on front and one 1 x USB 3.0 on back. They could be used for connecting
external Flash memory, USB HDD, mouse connection and other USB compatible devices. To connect
storage memory it is recommended to use port USB 3.0
Connecting alarms ports
NVR-7000 series has local alarm input and output. To connect alarm input please refer to diagram
below:
To activate alarm input (1,2,etc) connect it to +12V pin from NVR, or connect (between pin GND and
alarm input ) external voltage from range 1~12VDC.
Depending of sensor type select in NVR N.O. or N.C. mode.
To connect alarm input please refer to diagram below:
Alarm output it’s a relay with 2 connectors 1A and 1B. Do not exceed maximum relay parameters:
voltage 24V AC/DC and current 1A.
STARTING THE DEVICE
In1 In2 12V GND
NVR
SENSOR
In1 In2 12V GND
NVR
SENSOR
1~12VDC
1A 1B
NVR
ALARM
POWER
SUPPLY
