Digital Watchdog MEGApix DWC-MPTZ30X, Руководство пользователя, Страница: 13 / 96

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2.4 Connections
• Connecting the Network
Connect a standard RJ-45 cable to the network port of the camera. Generally a crossover cable is used
for directly connection to PC, while a direct cable is used for connection to a hub.
• Connecting Audio
Connect speaker to audio output line and external mic to audio input line.
• Connecting Alarms
– A1,A2,A3,A4 (Alarm Input 1,2,3,4)
You can use external devices to signal the 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)
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 camera can activate external devices such as buzzers or lights. Connect the device to the AO
(Alarm Output) and G (Ground) connectors.
• Connecting the Power
1. 12VDC model
Connect power of 12VDC for the 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.
– Be careful not to reverse the polarity when you connect the power cable.
2. PoE & 12VDC model
Connect power of 12VDC for the 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.
– Be careful not to reverse the polarity when you connect the power cable.
– If you use PoE to supply power to the camera, you must use the PoE (Power over Ethernet)
injector provided by the manufacturer.
3. 24VAC model
Connect power of 24VAC for the camera.
Use satisfy clause 2.5 of IEC60950-1/UL60950-1 or Certified/Listed Class 2 power source only.