12
2.6 Connections
• Connecting to the RS-485
The dome camera can be controlled remotely by an external device or control system using RS-485 half-
duplex serial communications signals.
• Connecting HD-TVI/HD-ANALOG Output connector
Connect the HD-TVI/HD-ANALOG output (BNC) connector to the monitor or video input.
• Connecting CVBS Output connector
Connect the CVBS output (BNC) connector to the monitor or 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.
See Chapter 3 — Program and Operation for configuring alarm input for more information.
- G (Ground)
NOTE: All the connectors marked G or GND are common.
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.
See Chapter 3 — Program and Operation for configuring alarm output.
• Connecting the Power
Connect power of 12VDC or 24VAC to 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 for stable operation when using a heater kit.
If using 12VDC, the heater will not operate at all.
