Cantek KQ0824 Series, User Manual

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2.2.8 Alarm Connections
 Connect Alarm Input (Sensor) to ‘
AI 1~AI 4 ( or AI 16
)’ connectors and connect Sensor Common to ‘
G
’ connector.
 Connect Alarm Output (buzzer, siren, etc.) to ‘
AO 1~AO 4 ( or AI 16
)’ connectors and connect Common to ‘
G
’ connector.
 Connect Pan/Tilt receiver (or Pan/Tilt camera) to ‘
RS-485/422
’ connector. Please observe proper (+) and (-) polarity.
2.2.9 RS-485/422 Connections

PTZ Camera connector.

Please use TX+, TX-, RX+ and RX- terminals.
2.2.10 USB Connections

There are up to four identical USB ports in front and in rear. It is possible to connect a USB memory stick to archive data or
a mouse to control the device.
2.2.11 RS-232 Connections

This port is not in use for users. Do not connect any devices through this port.
CAUTION
When using the RS232 serial port, users must request for assistant to qualified technical person or service representative.
2.2.12 Factory Reset Switch

Reset the switch to restore all setup values of menus to factory default settings. It is also possible to use to initialize System
Log file.

The switch is located in a pin hole of the back panel.

Put the clip pin into the switch hole on the monitor (Live) screen and keep pressing until the switch has clicked.
CAUTION
Press factory reset switch only in live mode. Never press in setup mode.
2.2.13 Power Supply connections

A Type
: Plug the power supply adapter (DC 12V, 5A)
which include in this product to ’
DC12V
’ connector and plug another
side to power source. Adapter input voltage is a free volt (100 VAC ~ 240 VAC). Please do not use any different power
supply adapter because it may cause the DVR to malfunction.

B, C(4CH) Type
: Plug the power supply adapter (DC 12V, 6.67A)
which include in this product to ’
DC12V
’ connector and
plug another side to power source. Adapter input voltage is a free volt (100 VAC ~ 240 VAC). Please do not use any
different power supply adapter because it may cause the DVR to malfunction.

C(8/16CH), D, E and F Type
: AC powered DVR: Plug the power supply cable into the power supply (the wall socket).
Input voltage is a free volt (100 VAC ~ 240 VAC).
2.2.14 Connections Guideline

Video Out Connector: If only the monitor is connected to VIDEO OUT connector, please set the impedance switch on the
rear side of the monitor to 75 ohms to prevent abnormally bright or collapsed images. If wish to connect another device (e.g.,
a recorder) to the back of the monitor, please set the impedance switch on the rear side of the monitor to HIGH Z (High
Impedance) and set the last device to 75 ohms.

Alarm Input Connector: Do not input any type of voltage to the AI 1~AI4 (AI 16) connectors.