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4. Place the HDD on the bottom of the device and then fasten the screws on the bottom to
fi
x the HDD.
5. Re-install the cover of the NVR/DVR and fasten the screws.
4.3. Peripheral Connections
Wiring of the Alarm Input / Output:
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.
To connect to an alarm output (AC or DC load), use the following diagram:
For DC load, the jumpers can be used within the limit of 12V/1A safely.
To connect an AC load, jumpers should be left open (you must remove the jumper on the motherboard in the
DVR). Use an external relay for safety (as shown in the figure above).
There are 4 jumpers (JP1, JP2, JP3, and JP4) on the motherboard, each corresponding with one alarm output. By
default, jumpers are connected. To connect an AC load, jumpers should be removed.
Example:
If you connect an AC load to the alarm output 3 of the DVR, then you must remove the JP 3.
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English
Содержание GRT-K1104A
Страница 2: ......
Страница 10: ...3 Package Contents These parts are included 10 English...
Страница 11: ...4 Installation 4 1 Connections and Control Keys Front View 11 English...
Страница 12: ...Rear View of the recorder model GRT K1104A GRT K2208A Rear View of the recorder model GRY K4416A 12 English...
Страница 19: ...19 English...