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24
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 above the button. To disconnect the wire press
and hold the button below the wire and pull 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 above the button. To disconnect the wire press
and hold the button below the wire and pull 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.