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2.7 Connections
• Connecting to the RS485
The dome camera can be controlled remotely by an external device or control system,
such as a control keyboard, using RS485 half-duplex. Connect Marked (A), RS_485-(B) of the
RS485 control system.
• Connecting Video output connector
Connect the video output (BNC) connector to the monitor or video input.
• Connecting Alarms
AL1 to 4 (Alarm Input)
You can use external devices to signal the dome camera to react on events. Mechanical or electrical
switches can be wired to the AL (Alarm Input) and GND (Ground) connectors.
See Chapter 3
— Program and Operation for configuring alarm input.
GND (Ground)
NOTE: All the connectors marked GND are common.
Connect the ground side of the Alarm input and/or alarm output to the GND connector.
TTL Out 1, Relay Out 1 (TTL : 5V Output, Relay : Normal Close or Normal Open)
The dome camera can activate external devices such as buzzers or lights. Connect the device to the
Alarm out and GND or the NC(NO) (Alarm Out) and COM (Common) connectors.
See Chapter 3
— Program and Operation for configuring alarm output.
Connecting the Power
Connect the power of 12VDC 5A to the dome camera.
Use satisfy clause 2.5 of IEC60950-1/UL60950-1 or Certified/Listed Class 2 power source only.