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Connections
Connecting to the RS-485
The dome camera can be controlled remotely by an external device or control system,
such as a control keyboard, using RS-485 half-duplex serial communications signals.
Connecting HD Output connector
Connect the HD output (BNC) connector to the video input.
Connecting CVBS Output connector
Connect the CVBS output (BNC) connector to the video input.
Connecting Alarms
A1,A2,A3,A4 (Alarm Input 1,2,3,4)
You can use external devices to signal the dome camera to react on events. Mechanical or
electrical switches can be wired to the A1,A2,A3,A4 (Alarm Input 1,2,3,4) and G (Ground)
connectors.
G (Ground)
NOTICE: All the connectors marked G or GND are common.
i
Connect the ground side of the alarm input and/or alarm output to the G (Ground)
connector.
AO1,AO2 (5VTTL Alarm Output 1,2)
The dome camera can activate external devices such as buzzers or lights. Connect the
device to the AO1,AO2 (Alarm Output 1,2) and G (Ground) connectors.
Connecting the Power
Connect power of 12VDC or 24VAC for the dome camera. When using a 12VDC adapter,
connect the positive (+) pole to the '+' position and the negative (-) pole to the '-' position.
Use satisfy clause 2.5 of IEC60950-1/UL60950-1 or Certified/Listed Class 2 power source
only. 24VAC is recommended to use for the camera power for stable operation with heat-
er kit. If using 12VDC, the heater will not operate at all.
CAUTION:
10
• Be careful not to reverse the polarity when you connect
the power cable.
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