18_ connecting with other deviceconnecting with other deviceCONNECTING THE ALARM INPUT/OUTPUTConnecting the alarm input signalConnection port for the alarm input signal.Connect one strand of the sensor signal line (twostrands) to the alarm input port and connect the otherto the [G] port.Connecting the alarm output signalConnection port for the alarm output signal.Connect one strand of the sensor signal line(two strands) to the alarm output port and connectthe other to the [COM] port.CONNECTING THE RS485 DEVICEConnect the rear [RS485 +, –] ports to the external device.ex) you can connect and control the PTZ camerawhich supports the RS485 communication.Check if the RS485 device is compatible with theproduct first.Pay attention not to change the polarity (+/-) of theRS485 device when connecting it.Depending on camera’s type, connection polarity canbe different.For further information, refer to the respective PTZCamera’s documentation.M ALARM IN ALARM OUTZ6806127401A_SRD-470, 470D-IB_EN18 18Z6806127401A_SRD-470, 470D-IB_EN18 18 2010-04-30 오후 6:07:052010-04-30 오후 6:07:05
