User Guide

HRDP DVR User Guide
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Document 800-06801 Rev D 27
02/11
Connecting a PTZ Camera
The RS485 connector can be used to control Pan / Tilt / Zoom (PTZ) cameras.
See the PTZ camera manufacturer’s manual for configuring the RS485
connection.
Note Use the RS485 connector for external control systems such as a
control keyboard. Connect RX-/TX- and RX+/TX+ of the control system to the
TX-/RX- and TX+/RX+ (respectively) of the DVR.
Connecting to a Sensor Input
To make connections on the Alarm Connector Strip: Press and hold the
button and insert the wire into the hole below the button. To disconnect the
wire press and hold the button above the wire and pull it out.
Alarm In
Use external devices to send a signal to the DVR when an event occurs.
Mechanical or electrical switches can be wired to the Alarm In and Ground
(GND) connectors.
Note All connectors marked GND are common. Connect the ground side
of the alarm input and/or alarm output to the GND connector.
Connecting to a Relay Output
To make connections on the Alarm Connector Strip: Press and hold the
button and insert the wire into the hole below the button. To disconnect the
wire press and hold the button above the wire and pull it out.
Alarm Out
The DVR can activate external devices such as buzzers or lights. Connect the
external device to the Alarm Out and Ground (GND) connectors. See Sensor
Configuration in the manual for more details.
Installing the Rackmount Kit
Caution There must be a minimum 1U space between the DVR and any
other items in the rack.
1. Attach the rackmount brackets with the screws provided on each side of
the DVR. Do not remove the plastic edge guards.
2. Mount the DVR in your rack.