Installation
ARI (Alarm Reset In)
An external signal to the Alarm Reset In (ARI) can be used to reset both the Alarm Out signal and the DVR internal buzzer. Mechanical or electrical switches can be wired to the ARI (Alarm In) and GND (Ground) connectors. The threshold voltage is below 0.3V and should be stable at least 0.5 seconds to be detected. Connect the wires to the ARI (Alarm Reset In) and GND (Ground) connectors.
Alarm Out
Figure 2-12 Alarm Output Connector Strips
NC C NO NC C NO
The DVR can activate external devices such as buzzers or lights. Mechanical or electrical switches can be wired to the NC (Normally Closed) and C (Common) connectors or NO (Normally Open) and C (Common) connectors. Permitted current is up to 0.5 A for 125 VAC and 1 A for 30 VDC. See Chapter 3, Configuration for configuring alarm output.
Connecting to the RS485 Port
Figure 2-13 RS485 Connector
RX+ RX-
TX+ TX-
You an control the DVR remotely by an external device or control system, such as a control keyboard, using RS485
Rev 3.01 | 13 | Document 900.0315 |
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| 10/05 |