27n Connect the power supply.IMPORTANT:• The 12 V DC power supply shall be insulated from the commercial AC power.• The operating sound might be heard when the power is turned on, however it does not indi-cate any malfunction.When using 12 V DC power supply*q Loosen the screw of the power cord plug (accessory).w Connect the cable of the 12 V DC power supply* to thepower cord plug.Strip 3 mm to 7 mm {1/8 inches to 9/32 inches} from theend of the wire, and twist the stripped part of the wiresufficiently to avoid short circuit.Specification of cable (wire): 16 AWG - 24 AWGSingle core, twisted• Check whether the stripped part of the wire is notexposed and is securely connected.e Tighten the screw of the power cord plug.(Recommended tightening torque:0.34 N·m {0.25 lbf·ft})r Connect the power cord plug to the 12 V DC power sup-ply terminal on the rear of the camera.* ONLY CONNECT 12 V DC CLASS 2 POWER SUPPLY(UL 1310/CSA 223) or LIMITED POWER SOURCE (IEC/EN/UL/CSA 60950-1).IMPORTANT:• Be sure to use the power cord plug provided with this product.• Be sure to fully insert the power cord plug into the 12 V DC power supply terminal. Otherwise,it may damage the camera or cause malfunction.• When installing the camera, make sure that excessive force is not applied to the power cable.• Be sure to use an AC adaptor compliant with the Specifications regarding power source andpower consumption (☞ page 32).(12 V DC)(GND)12 V DC powercord plug(accessory)POWER10BASE T/100BASE-TXAUDIO OUT MIC/LINE INEXT I/OSD CARD/ABFMONITOR OUTACT LINK12V = INGND 4 3 2 1INITIALSETALARM IN 1/DAY/NIGHT INALARM IN 3/AUX OUT ALARM IN 2/ALARM OUTTo 12 V DCpower supply*(This illustration representsWV-SP509.)