CNB HDS4848E - Manual (Page 13)

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RS485/ALARM/SENSOR
The RS485 connector can be used to control PTZ cameras.
The DVR can also be controlled remotely by a control
keyboard.
2 alarm output connectors are provided to connect external
alarms such as sirens or lights. Alarm output connectors are
TTL signals.
3 sensor input and 1 emergency sensor input connectors are provided to connect external
devices. You can use sensors to signal the DVR with event. The emergency sensor is designed for
Emergency recording only. It will follow Emergency recording setting when it is triggered.
An RS-232C connector is provided to connect an ATM or POS machine for Text-In function.
To make connections on the terminal block, press and hold the button and insert the wire in the
hole below the button.
ETC
• Network: Connect a Cat5 cable with an RJ-45 connector to the DVR connector for remote
monitoring, remote playback, remote setup. See Chapter 3-2. DVR Configuration for
configuring the Network connections.
• Reset: The DVR has a Reset switch that will only be used to return all the settings to the
original factory settings. To reset the unit, turn the DVR off first. Turn it on again while poking
the straightened paperclip in the reset hole. Hold the switch until the DVR is initializing.
• Power Connector: Connect adapter cable to the power connector on the rear panel. (DC12V,
3.33A) Input AC power to the adapter. (free voltage from 100V to 240V, 50/60Hz)