Casio DT-300 Hardware Manual page 14

Power
Power
Requirement
Input from AC Power
Adaptor Consumption
Plug
AC adaptor
Output
voltage
Output current 0.3 A (max.)
Charge/Supply
Power
Power supply
terminal
Weight and dimensions
Weight Approx. 300g
Dimensions Approx. 90(W) x 80(D) x 81(H)mm
DC 9V±5%
Approx. 0.4 A
EIAJ RC5320 Class 3
DT-9020ADP-U/G
DC 5V±10%
- + R
14
While supplying power to
terminal or transmitting
data.
Center pin; plus
C