Power Jack

Power Jack of the EM120/EM200-EV accepts "large" power connectors with 5.5mm diameter. Use APR-1014, APR-1015A, or APR-1018A power adaptor supplied by Tibbo or similar adaptor with 12V nominal output voltage. Adaptor current rating should be at least 500mA. On the power jack, the ground is "on the outside", as shown on the figure below.