| 摘要 |
A system and method for the installation of surveillance systems and a focus tool system. In operation, a focus tool is coupled to a camera. The focus tool provides power to the camera. Through the focus tool, a user can view the image provided by the video camera make adjustments, including position and focus adjustments, to the camera. The focus tool may include a PoE network interface controller. The focus tool provides power to the camera and also includes a communications link for receiving images that are captured by the camera. The images from the camera are displayed on a screen at the focus tool.
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