D-Link DCS-3415 Quick Installation Guide - Page 5

Hardware Installation Hardware Installation Connect the Ethernet Cable Connect an Ethernet cable to the Ethernet port located on the Network Camera's back panel and connect the other end to your network. Connect Using Power-Over-Ethernet Once you connect an Ethernet cable to your PoE switch or adapter, the Power LED on the DCS-3415 will turn green to indicate a proper connection. Attach the External Power Supply Attach the supplied power adapter to the DC power input connector located on the Network Camera's back panel (labeled DC 12V) and connect the other end to an AC power outlet. Note: When you have a proper connection, the LED on the network camera will turn green.The light may go on and off and your computer may show an intermittent loss of connectivity. This is normal until you have configured your Network Camera.  D-Link DCS-3415 Quick Install Guide