10
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 direct connection to a 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 to the RS485
The 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 the Power of Camera
Connect power of 12 VDC or 24 VAC for the camera.
When using a 12 VDC 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 the12 VDC power cable.
– You can also use a router featuring PoE (Power over Ethernet) to supply power to the
camera.
• Connecting the Power for Heater and Fan
Connect power of 24 VAC for the heater and fan.
Use satisfy clause 2.5 of IEC60950-1/UL60950-1 or Certified/Listed Class 2 power source only.
