Installation

Caution The network connector is not designed to be connected directly with cable or wire intended for outdoor use.

Connecting the RS485 Port

The DVR can be controlled remotely by an external device or control system, such as a control keyboard, using RS485 half-duplex serial communications signals. The RS485 connector can also be used to control PTZ (pan, tilt, zoom) cameras. Connect the RX-/ TX- and RX+/TX+ of the control system to the TX-/RX- and TX+/RX+ (respectively) of the DVR. See Chapter 3, Configuration and the PTZ camera or remote controller manufacturer's manual for configuring the RS485 connection.

Figure 2-9

RS485 Port

Connecting Alarm Inputs and Outputs

Note To make connections on the Alarm Connector Strip, press and hold the button and insert the wire in the hole below the button. After releasing the button, tug gently on the wire to ensure that it is connected. To disconnect a wire, press and hold the button above the wire and pull out the wire.

Figure 2-10 Alarm Connector Strip

AI 1 to 16 You can use external devices to signal the DVR to react to events. Mechanical or (Alarm-In)electrical switches can be wired to the AI (Alarm-In) and GND (Ground) connectors. The

threshold voltage is 4.3V and should be stable at least 0.5 seconds to be detected. See Chapter 3, Configuration for configuring alarm input.

GND Connect the ground side of the Alarm input and/or alarm output to the GND connector.

(Ground)

Document 800-00918 Rev E

27

12/07

 

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Insignia HRSD16 manual Connecting Alarm Inputs and Outputs, Connecting the RS485 Port, Ground