Solvline Eddy DK Ver 2.20 - Manual (Page 15)

Chapter 2. Getting Started
2.3.3.4. Power Jack
Contact Polarity
Center +5VDC ± 5%(Min. 400mA)
Outer Ground
Figure 2-2 Power connector
2.3.4 LED Description
Power, Ready LED
Debug Port LED
COM2 Port LED
COM1 Port LED
GPIO LED
2-7