Installation
Note When the DVR successfully resets to factory defaults all the LEDs on the front panel flash three times.
5.Release the reset switch. All of the DVR settings are now at the original settings it had when it left the factory.
Connecting Alarms
Figure 2-11 Alarm Input Connector Strips
AI1 AI2 AI3 AI4 GND ARI
To make connections on the Alarm Connector Strip:
1.Press and hold the button.
2.Insert the wire in the hole below the button.
3.After releasing the button, tug gently on the wire to make certain it is connected.
4.To disconnect a wire, press and hold the button above the wire and pull out the wire.
AI 1 to 4 (Alarm In)
You can use external devices to signal the DVR to react to events. Mechanical or electrical switches can be wired to the AI (Alarm In) and GND (Ground) connectors. The threshold voltage is for NC (Normally Closed) is above 4.3V and should be stable at least 0.5 seconds to be detected. For NO (Normally Open), the threshold voltage is below 0.3V. See Chapter 3, Configuration for configuring alarm input.
GND (Ground)
Connect the ground side of the Alarm input to the GND connector.
Rev 3.01 | 12 | Document 900.0315 |
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| 10/05 |
