Comelit MPTZ766A - Manual (Page 20)

14
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 serial communications signals.
• Connecting Video out connector
Connect the video out (BNC) connector to the monitor or video input.
• Connecting Alarms
AI (Alarm In)
You can use external devices to signal the dome camera to react on events. Mechanical or
electrical switches can be wired to the AI (Alarm In) and G (Ground) connectors.
See Chapter 3 — Program and Operation for configuring alarm input.
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.
AO (Alarm Output)
The dome camera can activate external devices such as buzzers or lights. Connect the device to
the AO (Alarm Out) and G (Ground) connectors.
See Chapter 3 — Program and Operation for configuring alarm output.
• Connecting the Power
Connect the power of 12Vdc 700mA for the dome camera.
When using a 12Vdc adapter, connector the positive(+) pole to the ‘+’ position
and the negative(-) pole to the ‘-‘ position.
Use Certified/Listed Class 2 power source only.