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3.4.3 Connecting Pan/Tilt/Zoom Devices The Network Camera allows the connection of a Pan/Tilt/Zoom device into the camera. The RS485 (+) and RS485(-) may be used for connecting such devices. The supported protocol is Pelco D and Pelco P. Refer to Chapter 5) Configuring the Camera, Camera Settings for more references on setting and controlling the device by the Web user interface. 3.5 Power-over-Ethernet supported Network Cameras The Network Camera comes as an optional model which supports Power-over-Ethernet (PoE). Using Power-over-Ethernet as power supplying mode, takes advantage of having a simple connection, with only one Ethernet Cable to act like Data and Power transmission. And it is not necessary to use any Power Adapter since the powering will be done directly through the Ethernet Connector. Below a comparison between a Regular Ethernet connection and a connection using Network Camera with built-in Power-over-Ethernet. Note: For safety precautions, when using a PoE Video Encoder, ensure that the standard Power Connector has been Deleted before plugging the Ethernet cable (which is attached on the other end to a PoE Hub / Switch). Non-POE Connection Power Adapter Power Adapter Ethernet cable Ethernet cable Ethernet cable ADSL Modem Broadband Router Hub / Switch Network Camera Power Adapter POE Switch & POE Network Camera Power Adapter Ethernet cable Network Camera with Power-over-Ethernet Power Adapter Ethernet cable POE Switch Broadband Router -9- Ethernet cable ADSL Modem